Building Utilities

Infra Red

"212. The other type of flame detector other than the ultraviolet type."

Full bath

"A bathroom containing a water closet, a lavatory, and a bathtub."

Pull Box

"A box with a blank cover which serves the purpose of joining one different runs of raceways or cables and provided with sufficient space for connection and branching of the enclosed conductors."

Environmental acoustics

"A branch of acoustics that involves the control of noise pollution, environmental noise, which include motor vehicles, aircraft noise, etc."

CORROSION

"A chemical reaction which involves the removal of metallic electrons from metals and formation of more stable compounds."

cesspool

"A loosely lined excavation in the ground which receives the discharge of a septic tank and designed to permit the effluent from the septic tank to seep through the bottom and sides of the pit."

Eggcrate

"A louvered construction divided into cell-like areas and used for redirecting the light emitted by an overhead source."

Siphon Vortex

"A toilet bowl similar to the siphon-jet, but having the flushing water directed to the rim to create circular motion or vortex which scours the bowl."

COMBINED DRAIN

"A type of house drain that receives discharges of sanitary as well as storm water."

SANITARY DRAIN

"A type of house drain that receives the discharges of sanitary and domestic waste only."

High-Pressure-Sodium (HPS)

"A type of lamp generally used for roadways and sidewalks, uses sodium gas."

Passive Infrared

"A type of perimeter detector which detects interruption of light beam."

Passive Infrared

"A type of perimeter detector which detects object in heat range of body temperature."

Microwave

"A type of perimeter detector which is subject to false alarm from aircraft radar and from movement outside building through window, wood doors, and the like. It uses radio waves."

Individual resonator

"A type of resonator made from empty clay vessels of different sizes. Their absorption ranges from 100-400 hertz."

Lux

"A unit of illumination equivalent to 1 lumen per square meter"

Globe Valve

"A valve closed by a disk seating on an opening in an internal wall."

Disconnect Switch

"In escalators, this is located at the bottom truss of the escalator and provided with on and off positions to stop or prevents the escalator from starting during maintenance service."

HOUSE DRAIN

"In large buildings, _____________ are usually suspended from the basement ceiling."

1 lumen per sq.m.

"In lighting and illumination calculation, what is the unit for lux?"

Sound

"Is a physical wave, a mechanical vibration, a series of pressure variations, in an elastic medium "

Flutter

"Is perceived as a buzzing or clicking sound, and it is comprised of repeated echoes traversing back and forth between two non-absorbing parallel surfaces. "

5.5 sqmm

"Minimum wire size in square millimeter for a branch circuit with a 30 ampere rating using Type THW stranded copper conductor in a raceway."

Knife Switch

"This switch cuts off all current supply to the escalator for inspection, maintenance, or repairs."

Passive Infrared with Ultrasonic (or Microwave)

"This type of perimeter detector uses both the Passive infrared and Ultrasonic or Microwave system."

all true

"a. number of fixture unit is one parameter in sizing a drainage pipe. b. brass and cast iron body cleanouts shall not be used as a reducer or adapter. c. 60˚ branches or offsets may be used only when installed in a true vertical position."

Echo

- delayed sound heard a fraction of a second after the direction of sound isheard

HEAT DETECTOR

135deg-197deg F

GATE VALVE

A cut off valve installed in the service piping system

Air conditioning

A system or process for simultaneously controling the temperature, humidity, purity, distribution, and motion of the air in an interior space especially one capable of cooling

Bus

A heavy conductor, usually in the form of a solid copper bar, used for collecting, carrying, and distributing large electric currents, also called a busbar.

Metal Halide Lamp

A high intensity discharge lamp in which the light is produced by the radiation from a mixture of a metallic vapor, similar to that of a mercury lamp in construction.

DUMBWAITER

A hoisting and lowering mechanism with a building equipped with relatively small car excusively for carrying materials

3 WAY VALVE DIVERTER

A hot and cold water supply pipes, where it is mix manually in desired water temperature temperature and direct the mixed water either at the shower head or at the fooe spout

RAPID START FLUORESCENT LAMP

A kind of fluorescent lamp that does not use starter element

U-value

A measure of the thermal transmittance of a building component or assembly, equal to the reciprocal of the total R-value of the component or assembly

R-value

A measure of thermal resistance of a given material, used especially to specify performance of thermal insulation

Extended plenum system

A perimeter heating system in which a main duct conveys warm air to a number of a branch ducts, each serving a single floor register

HPS LAMP

A type of HID lamp

RECIPROCATING

A pump motor installed on the surface attached to a lift and push a rod to activate a submerge piston

RECIPROCATING

A pump motor installed on the surface attached to a lift and push a rod toactivate a submerge piston

Compressor

A pump or other machine for reducing the volume and increasing the pressure of gas

CENTRIFUGAL

A pump which delivers high water discharge with high water pressure drawn from a shallow source like cistern, best suited as fire or transfer pump.

Passive Infrared

A type of perimeter detector which detects object in heat range of body temperature.

Microwave

A type of perimeter detector which is subject to false alarm from aircraft radar and from movement outside building through window, wood doors, and the like. It uses radio waves.

1/8 Bend

A type of pipe fitting for a Yoke Vent.

WYE FITTING

A type of pipe fitting for yoke vent

SUBMERSIBLE PUMP

A type of pump for driven well from 150 to 200 ft which work by a principle of venturi where

BUFFER

A safety device of a passenger elevator which reduces the collision shock of a car or counterweight due to over travel beyond the lowest stop. It It stops the car or counterweight safely

BUFFER

A safety device of a passenger elevator which reduces the collision shock of a car or counterweight due to over travel beyond the lowest stop. It stops the car or counterweight safely

Washdown (WD)

A type of water closet that is least efficient, subject to clogging, noisy, and use a simple washout action through a small irregular passageway.

Blowout (BO)

A type of water closet that is noisy but highly efficient. Strong jet into up leg forces contents out. Use only with flush valve, requires higher pressure.

DEVICE

A unit of electrical system which is intended to carry but not utilize electrical energy

Loop Vent

A vent pipe connected to a stack vent.

Circuit Vent

A vent pipe connected to a vent stack.

DRY VENT

A vent that does not serve as drain and is located where if is not exposed to back up of waste from a drainage pipe

Reverse Trap (RT)

A water closet similar to that of the siphon jet but with a smaller water surface and trapway.

Common Vent

A single vent that ventilates multiple traps in the case of a back to back vent.

COMMON VENT

A single vent that ventiliates multiple traps, in the case of back to back fixture

Siphon Jet (SJ)

A water closet that is sanitary, efficient, and very quiet. Water enters through the rim and through the down leg.

JET

A water pump for a 200ft driven well to deliver 10gpm against 200ft. It is located at the surface

Amperage

. The current carrying capacity of a wire or cable, expressed in amperes

water pipe

. Water well yield is a factor considered to determine the size of:

Fiberboard

An insulating board made of wood or cane fibers compressed and cemented into rigid sheets, used as an inexpensive wall finish or as ceiling tiles

JUNCTION BOX

An iron box or casing by which electrical conduit branches are formed

UNIT VENT

An arrangement of venting so installed that that one vent pipe will serve two traps

Sheave

An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a cable or roped is passed.

THERMOSTAT

An automatic control of the operation of heating or cooling device responding to changes of temperature of the space

BX

Armored Cable

LAMP

Artificial source of light

Back vent pipe

The part of a vent line which connects directly with an individual trap underneath or behind the fixture and extends to the branch or man pipe at any point higher than the fixture trap:

CIRCUIT BREAKER

The part of the cut out that is design to open or break an electrical current under an excessive load

Softening

The process of removing calcium and magnesium deposits in water.

BLACK WATER

The third kind of water after the storm water and area water

DECIBEL

The total sound units provided by a given material

Convection

The transmission of heat energy from one place to another by circulatory movement of a mass of fluid.

RECESSED

The type of bathtub oher than sunken, square, free standing

AMPERE

The unit used in the measure of the rate of flow of electricity

Knife Switch

This switch cuts off all current supply to the escalator for inspection, maintenance, or repairs.

Cathode

The equivalent of filament in a fluorescent lamp.

STACK VENT

The extension of a soil or waste stack above the highest horizontal drain connected to the stack horizontal drain, the uppermost end above the roof

Riser Diagram

This shows the vertical relationships of all panels, feeders, switches, switchboards, and major components are shown up to, but not including, branch circuiting, it is an electrical version of a vertical section taken through the building.

POROUS ABSORBENT

Type of sound absorbent best for lower band frequencies

FLAT CONDUCTOR CABLE (FCC)

Consist of three or more flat copper conductor placed edge to edge separated and enclosed with an insulating assembly. This type of cable is used for general purposes such as: appliance branch circuit, and for individual branch circuits, especially in hard smooth continous floor surfaces and the like

5 FEET

Considered extension of bulding drain outside the building wall

TWO PHASE CONNECTIONS

Consist merely of two single phase transformers operated 90deg out of phase, the common wire must carry /2 times the load current

Atmospheric Vacuum Breaker

Consist of a body, a checking member, and an atmospheric opening.

Governor

Consist of a flyball or flyweight device designed to stop an elevator.

ILLUMINATED SWITCH

Type of switch where pilot light inside a lit to guide the person inside

CIRCUIT VENT

Type of vent applied on installations with multi branch interval where the vertical vent pipe takes off in front of the first fixture and connects to a main vent stack

GENERAL LIGHTING

Types of lighting that deals with lighting relatively large area covered

3"

URINAL (PEDESTAL)

1 1/2"

URINALS (LIP)

2"

URINALS (STALL)

2"

URINALS (THROUGH)

SOIL PIPE

Conveys a discharge of solid and liquid wastes closets with or without the discharged from other fixture to the house drain

Storm Sewer

Conveys storm water and terminates into a natural drainage such as lakes or rivers.

Strom Sewer

Conveys storm water and terminates into a natural drainage such as lakes or rivers.

RECEPTACLE

Convinience Outlet; Contact device installed at an oulet for the connection of an attachment plug

COOLING TOWER

Cool the condenser unit in a central conditioning system

escalator

Is mechanical device for transporting persons between two levels.

ACCENT LIGHTING

Lighting used primarily to draw attention to particular point of interests

Accent Lighting

Lighting used primarily to draw attention to particular points of interest.

DRAWINGS

Main power supply and wiring system for 110/220 volt line; which wiring diagram fits (drawing)

FOR CAR OVERRUN

Main purpose of shafts overhead space

MAXIMUM CONTAMINANT LEVELS

MCL means

38 mpm

Maximum rated speed measured along the angle of inclination

51 mm

Minimum trap diameter for a shower stall.

51 mm. (2")

Minimum trap diameter for a shower stall.

0.90 mtr.

Minimum vertical distance of VSTR from above of any openable window or opening.

0.90m

Minimum width for septic tank.

5.5 sq.mm

Minimum wire size in sq.mm type THW stranded copper conductor in raceway for a branch circuit with 30 ampere rating

3.5 sq.m

Minimum wire size in sq.mm type TW copper conductor in raceway for a branch circuit with 20 ampere rating

5.5 sqmm

Minimum wire size in square millimeter for a branch circuit with a 30 ampere rating using

WINDMILL

Natural energy source derived from force of wind acting on oblique blades that radiates froma shaft attached to a dynamo to produce electricity

REVERBERATION

Prolongation of sound as a result of succesive reflection

HIGH LIFT PUMP

Pump that discharge treated water into arterial mains.

Ball Valve

Single lever valves used in kitchen sink and lavatory faucets or at shower valves works by the principle of a ___.

SOIL PIPE

Solid waste, from water closet

Magnetic flux

Tesla is the unit of____.

LUX

The illuminance produce by luminous flux of the one lumen distributed uniformly over a one square meter surface

Invert

The interior bottom surface of a pipe.

Crown

The interior top surface of a pipe.

schedule

The quality of Galvanized Iron pipes are rated by:

FIXED TEMPERATURE

Use low melting point solders or metal the expand when exposed to heat to detect fire

PHOTO ELECTRIC DETECTOR

Use of the scattering of light by smoke into view of photo cell through incandescent or diode

Sine Wave

Wave produced by a pure tone.

2 HOISTWAYS

When 4 or more elevator serve all or the same portion of the bulding

alternator

a generator of alternating current

PIPES AND FITTINGS

and fittings, ASTM 2729 standards

DETECTOR

chamber to detect fire

Series circuit

"A circuit type where components are electrically connected end to end."

FOUNDATION WALL

"A cleanout shall be provided on the house drain as near as possible the ______________ of the building."

Drainage fixture unit

"A common measure of the probable discharge into the drainage system by various types of plumbing fixtures on the basis of one unit of this being equal to a discarge rate of 7.5 gallons per minute or one cubic foot of water per minute."

WATERBOURNE DISEASES

"A communicable disease which may be transmitted by water include bacterial, viral and protozoal infections."

PRIVY

"A concrete vault constructed for the collection of raw sewage sealed with a wooden shelter."

Nadir

"A condition characterized as vertically downward directly below the luminaire. What is that term?"

Endless belt

"A continuous belt (chain) attached to the handrail and directly connected to the steps is known as _____."

Humidistat

"A controller sensitive to the degree of moisture in the air"

Conduit

"A cylindrical conduit or conductor, the wall thickness is sufficient to receive a standard pipe."

Bumper

"A device designed to stop an elevator car or counterweight from descending beyond its normal limit of travel "

Rectifier

"A device for converting alternating current to direct current."

Thermostat

"A device installed on an electric water heater used to detect the working temperature to activate a switch."

FLUSHOMETER VALVE

"A device that discharges a predetermined quantity of water to fixtures for flushing purposes."

Automatic Transfer Switch

"A device that is basically a double throw switch of generally 3-pole connection that will automatically transfer the power from the standby generator to the building circuitry during electrical power failure."

WASTE PIPE

"A drainage pipe that carries liquid waste that not include human excretement."

SOIL PIPE

"A drainage pipe that carries on is designed to carry human excretement."

Thermal load

"A factor used in calculating cooling load that includes heat transferred from walls, doors, ceilings, etc. is known as _____."

metal clad cable (type MC)

"A factory assembly of one or more conductors, each individually insulated and enclosed in a metallic sheath of interlocking metal tape, or a smooth corrugated metallic tube."

Non metallic sheathed cable (type NM and NMC)

"A factory assembly of two or more insulated conductors having an outer sheath of moisture-resistant, flame retardant, non metallic material."

Bibbcock

"A faucet fitted with a nozzle curving downward used as a draw-off tap."

Fixed Temperature Heat Detector

"A fire detector installed in a fire alarm system which uses low melting point solders or metal that expands when exposed to heat to detect a fire."

Trap

"A fitting or device designed and constructed to provide, when properly vented, a liquid seal which prevents backflow and passage of foul air and gases without materially affecting the flow of sewage or wastewater through it."

CLAMP GATE CALVE

"A gate valve whose body and bonnet are held together by a "u" bolt clamp."

Stack

"A general term used for any vertical line of soil, waste or vent piping."

Psychrometric Chart

"A graph used in air-conditioning and showing the properties of air-system mixtures."

Bus

"A heavy conductor, usually in the form of a solid copper bar, used for collecting, carrying, and distributing large electric currents, also called a busbar."

Metal Halide Lamp

"A high intensity discharge lamp in which the light is produced by the radiation from a mixture of a metallic vapor, similar to that of a mercury lamp in construction."

CESSPOOL or DRYWELL

"A hole in the ground with stone and bricks laid in such manner as to allow raw contaminated sewage to leach under the surface of the ground."

INDUSTRIAL DRAIN

"A kind of drain that should terminate into a separate drainage system."

gooseneck

"A kind of return bend of small-sized faucet, one end of which is about one foot long and the other end is about three inches. It is commonly used as a faucet for pantry sink and drinking fountain. Also the lead connection between the service pipe and the water main. Also a p-trap."

Floodlight

"A lamp designed to project and diffuse a uniform level of illumination over a large area."

Alternator

"A machine that converts mechanical energy into electrical energy, a generator of alternating current."

Gooseneck

"A p-shaped trap commonly used on most plumbing fixtures except for fixture have integral trap."

AHU (Air Handling Unit)

"A package assembly of air conditioning components which provides for the treatment of air it is distributed to an air conditioned space. "

SEWAGE PUMP

"A permanently installed mechanical device for removing sewage or liquid waste from a sump other than ejector."

Yoke vent

"A pipe connecting upward from a soil or waste stack below the floor and below the horizontal connection to an adjacent vent stack at a point above the floor and higher than the highest spill level of fixtures for preventing pressure changes in the stack."

Vent Pipe

"A pipe or opening used for ensuring the circulation of air in a plumbing system and for reducing the pressure exerted on trap seal "

Water distributing pipe

"A pipe which conveys potable water from the building supply pipe to the plumbing fixtures and other outlets."

fixture

"A receptacle attached to a plumbing system other than a trap in which water or wastes may be collected or obtained for ultimate into the plumbing system."

CATCH BASIN

"A receptacle in which liquids are retained for sufficient period to the deposit settle able material."

Busway

"A rigid metal housing for a group of heavy conductors insulated from each other and the enclosure, also called Busduct."

Drain

"A sewer or other pipe or condult used for conveying groundwater, surface water, storm water, waste water or sewage "

Gate Valve

"A shutoff valve closed by lowering a wedge-shaped gate across the passage."

Common Vent

"A single vent that ventilates multiple traps in the case of a back to back vent."

Combination Waste and Vent system

"A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain."

Corporation Stop

"A stop valve placed in the service pipe close to the connection at the water main."

Air Curtain

"A stream of high-velocity temperature-controlled air which is directed downward, across an opening "

Backpressure

"A suction created by the flow of liquids in pipe, a pressure less than the atmospheric pressure."

Siphon Jet

"A toilet bowl in which the flushing water enters through the rim and a siphonic action initiated by a water jet draws the contents of the bowl through the trapway."

Mercury Lamp

"A type of lamp popular for lighting commercial interiors, uses argon gas to ease starting, it produces light by means of an electric discharge in mercury vapor."

Tungsten Halogen Lamp

"A type of lamp which produces light by means of the reaction of halogen additive in the bulb reacts with chemically with tungsten."

Specific Lighting

"A type of lighting that provides illumination to special objects like sculptures, flower arrangements, etc."

Ultrasonic

"A type of perimeter detector which detects change in sound wave pattern."

Rigid metal conduit (RMC)

"A type of raceway specially constructed for the purpose of pulling in or the withdrawing of wires or cables after the conduit is in place."

OVERHEAD STORM DRAIN

"A type of storm drain that is suspended from the basement ceiling by substantial hangers, placed at close intervals, and generally is adapted to buildings where public storm sewer is not sufficiently deep in the street."

Multi-outlet assembly

"A type of surface flush raceway designed to receive conductors and receptacles assembled in the field or in the factory."

Transfer switch

"A type of switch used for transferring one or more load conductor connections from one power source to another."

Washdown

"A type of water closet that is least efficient, subject to clogging, noisy, and use a simple washout action through a small irregular passageway."

Blowout

"A type of water closet that is noisy but highly efficient. Strong jet into up leg forces contents out. Use only with flush valve, requires higher pressure."

Foot-Candle

"A unit of illumination equivalent to 1 lumen per square foot."

Watt

"A unit of mechanical power is horsepower. What is electrical power?"

Watt

"A unit of mechanical power is horsepower. What is electrical power?"

Cable tray

"A unit or assembly units or sections and associated fittings forming a rigid structural system used to support cables."

Ball valve

"A valve in which the flow of liquid is controlled by a rotating drilled ball that fits tightly against a resilient (flexible) seat in the valve body."

Globe valve

"A valve in which the flow of water is cut off by means of a circular disk that fits against the valve seat. The plane of movement of the disk is parallel to the normal direction of flow of water, which is turned through a tortuous passage to direct the flow normal to the face of the disk."

Globe valve

"A valve in which the flow of water is cut off by means of a circular disk that fits against the valve seat. The plane of movement of the disk is parallel to the normal direction of flow of water, which is turned through a tortuous passage to direct the flow normal to the face of the disk."

Flush Valve

"A valve used in a flush tank controlling the flushing of fixture."

Relief Vent

"A vent with a function to provide circulation if air between drainage and vent system"

Branch interval

"A vertical length of soil or waste stack at least 8 feet in height (a storey high), within which the horizontal branches from one storey or floor of the building or structure are connected to the stack."

Waste stack

"A vertical pipe which conveys only wastewater or liquid waste free of fecal matter."

Reverse Trap

"A water closet similar to that of the siphon jet but with a smaller water surface and trapway."

Siphon Jet

"A water closet that is sanitary, efficient, and very quiet. Water enters through the rim and through the down leg."

TURBID

"A water is _____________ when it contains visible material in suspension."

Riser

"A water supply pipe that extends vertically one full storey or more to convey water to fixture branches or group of fixtures."

Septic tank

"A watertight receptacle which the discharge of sanitary plumbing system or part thereof, designed and constructed to retain solids, digest organic matter through a period of detention and to allow the liquids to discharge into the soil outside of the tank through a system of open jointed subsurface piping or seepage pit."

SILICON

"Acid-resistant pipe usually is an alloy of cast-iron and ____________."

Sound Diffraction

"Acoustical phenomenon which causes sound wave to be bent or scattered around"

All of the above

"Acoustics is a science that concerns with ______. a. Transmission of sound b. Effect of sound waves c. Generation of sound"

2%

"All horizontal piping shall be run in practical alignment and at a uniform grade of not less than ____ percent "

All of these

"Alternating current is characterized as having _____. a. Positive and negative polarity b. Average value is zero c. Has frequency d. All of these"

Thermostat

"An Instrument which responds to changes in temperature, and directly or indirectly controls temperature."

RA 1364

"An act which regulate the Practice of Sanitary Engineering in the Philippines."

Air Motor

"An air-operated device used to open or close a damper or valve"

droppler effect

"An apparent shift in the frequency occurring when an acoustic source and listener are in motion relative to each other, the frequency increasing when the source and the listener approach each other and decreasing when they move apart"

Busway

"An approved assembly of insulated conductors with fitting and conductor terminations in completely enclosed ventilated protective metal housing where the assembly is designed to carry fault current and to withstand the magnetic forces of such current."

Sheave

"An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a cable or roped is passed."

Pressure Regulating Valve

"An automatic device used for converting high, fluctuating inlet water pressure to a lower constant pressure."

WATER

"An element composed of an atom of Oxygen and two atoms for Hydrogen, otherwise known as H2O."

Ammeter

"An instrument for measuring the rate of flow of electricity, usually expressed in amperes "

Cable Vault

"An underground structure used in pulling or splicing electric cables which are laid underground. "

Battery of fixtures

"Any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch."

Sewage

"Any liquid waste containing animal or vegetable matter in suspension or solution."

Soil pipe

"Any pipe which conveys the discharge of water closet, urinal or fixtures having similar function, with or without the discharges from other fixtures to the building drain or building sewer"

Ionization

"Best type of fire detection that can detect fire during the incipient stage."

200m

"Boating, shooting or fishing should not be allowed within ____________ of the water intake."

DELAVAUD PROCESS

"Centrifugal casting on metal moulds is sometimes called ____________ ."

House Drain

"Collection line of a plumbing system is sometimes referred to as."

RECIPROCATING PUMP

"Consist of a cylinder in which a piston or a plunger moves backwards and forwards."

Governor

"Consist of a flyball or flyweight device designed to stop an elevator."

Thermosetting

"Descriptive of any material such as synthetic resin which hardens when heated or cured, and does not soften when reheated."

WATER SEAL TRAP

"Each fixture directly connected to the drainage system shall be equipped with __________."

OPEN TRENCH WORK

"Excavation for the installation of underground water supply piping should be _____________."

Escutcheon

"Flange used on a pipe to cover a hole or opening in a floor or wall which the pipe pass."

Sound

"Fluctuation in pressure, a particle displacement in an elastic medium."

BALL COCKS

"Flush tanks which are directly connected to the potable water supply system should be equipped with approved ___________."

Heat

"Freon in air-con must be compressed and liquefied in order to absorb ___."

Silver

"Fusible material in a fuse may be made of any of the following except ___."

1/6 to 1/3

"Generally, the equalizing volume of a water thank that is about ____________ of the total daily demand."

LOW-SERVICE SYSTEM

"High service system is high lying areas; while _____________ is to low lying areas"

3 days

"How many days, at least, shall be given before any plumbing work inspection is done after written notice for inspection."

50%

"How many percent of the total sewage solids is organic and subject to rotting."

American Master Plumber JOHN F. HASS

"In 1907, a division of plumbing construction and inspection, with the city of Manila as a model, was headed by whom?"

Varies inversely with

"In Inverse Square Law, it states that: "sound intensity ______ the square of the distance from the source.""

Varies inversely with

"In Inverse Square Law, it states that: "sound intensity ______ the square of the distance from the source.""

Water supply system

"In a building consists of the water service pipe, water supply line, water distributing pipes and the essential branch pipes, valves and all other appurtenances for the supply of potable water."

Air Terminal

"In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part of a structure."

Limit Controls and Interlocks

"In boilers, they function only when it exceeds prescribed unsafe operating conditions."

SERVICE HEADERS

"In dual main systems, ____________ are added on the south and west sides of streets and piping is generally placed beneath sidewalks."

Grounding Wire

"In electric wiring a metal plate, water pipe, or other type of conductor buried in the earth in manner ensuring a good conductive path to the ground. "

Safety Shoe

"In elevator, it detects the obstacles during the door closing, and reopens the door if there is something. Photocell can be used together with this."

Weighing Device

"In elevator, it makes the buzzer alarm when the car is overloaded and the door remains open until overloading is eliminated."

Limit Switches

"In elevator, these prevent the excessive car travel at the highest and lowest floor."

Handrail Guard Switches

"In escalators, these stop the escalator if a foreign object becomes wedged at the guard."

Diffusion

"In physical principles of light, it is the light rays leaving the source strike through, opaque surface which spreads the light in various directions, in addition light is broken up while in reflection, the light bounces back at a different direction."

1.8 x 105 to 2.8 x 105 N/m²

"In residential areas having houses up to 4 storeys high, the pressure in the pipes should be between _____________."

PLUMBING APPRENTICE

"In the 17th century, the English parliamentary passed the first ___________ laws."

Counterweight

"In theater stage house, a weight usually of iron or sand used to balance suspended scenery, or the like."

photometry

"In theory and fundamentals of lighting. It is the science that deals with measurement of light."

DISTRIBUTION BY MEANS OF PUMP

"In this method of distribution, the excess water pumped during periods of low consumption is stored in elevated tanks or reservoir."

GRECO-ROMAN CIVILIZATION

"In what civilization did the concept and importance of plumbing became more defined and appreciated?"

Phase

"Interrelationship between value of voltage and current with the same frequency."

Decibel

"Is a logarithmic unit of measurement that expresses the magnitude of a physical quantity (usually power or intensity) relative to a specified or implied reference level."

Echo

"Is caused when reflected sound at sufficient intensity reaches a listener approximately 70 m/ sec. after hear the direct sound. "

Reverberation

"Is the persistence of sound after the cause of sound has stopped-a result of repeated reflections. "

All of the above

"It affects the resistance of a conductor. a. Length b. Area c. Temperature"

incandescent

"It has a stimulating effect, conducive to drinking, induces sleep, best for bars and night club."

FRESH WATER

"It is a special type of underground water that is found on islands or in the coastal regions near the sea."

omnidirectional mic

"It is a type of microphone which equally sensitive sound arriving at it from any direction"

ROOF LEADER

"It is often referred to as conductor or downspout. It is also the portion of the storm drainage system which extends between storm drain & the roof terminal"

STORM DRAIN

"It is that unit of the plumbing system which conveys storm water to a satisfactory terminal."

Sound absorption

"It is the product of surface area (sq.ft.) and sound absorption coefficient (SAC). It has the unit sabin."

Reverberation time

"It is the time in seconds that a reflected sound diminishes for the case by 60db after the original sound has stopped."

Lumen

"It is the unit of luminous flux, amount f light falling on a surface from the source."

Fascia Plate

"It prevents passengers from falling into the hoistway when they try to get out of the car which is stopped between the floors."

Plumbarius

"It refers to an individual who worked in the sanitary field of ancient Rome."

candle power

"It refers to the unit of intensity of light of one standard candle whose light is concentrated at a point and the light source is assumed to be placed at the center of a hollow sphere of one foot radius."

Cross Light

"Light originating from sources not facing each other, as from windows in adjacent walls."

Accent Lighting

"Lighting used primarily to draw attention to particular points of interest."

Effluent

"Liquid sewage that has been treated in a septic tank or sewage treatment plant."

6.10 mts.

"Maximum distance of any underfloor cleanout from any access door, crawl space, or crawl hole."

the reciprocal of ohm

"Mho as used in electrical systems calculation is defined as _______."

1.50 cum

"Minimum capacity, in cubic meters, of the secondary compartment of a septic tank."

305 mm

"Minimum clearance in front of any cleanout in meters for pipes 51mm or less in diameter."

450 mm

"Minimum clearance in front of any cleanout in meters for pipes larger than 51 mm. Dia."

508 mm.

"Minimum dimension of a manhole access to a septic tank."

30.50 mts.

"Minimum distance of a water supply well from a disposal field."

45.70 mts.

"Minimum distance of a water supply well from a seepage pit or cesspool."

15.20 mts.

"Minimum distance of a water supply well from a septic tank."

300 mm

"Minimum distance of water pipings from any regulating equipment, water heater, conditioning tanks, and similar equipment requiring union fittings."

0.60 mtr

"Minimum elevator width of single slide door elevator for small commercial or residential building."

300 mm

"Minimum extension of a vent stack through roof above any other vertical surface."

15 cms.

"Minimum extension of a vent stack through roof above the roof"

3/8"

"Minimum fixture supply pipe diameter for tank type water closet."

3m

"Minimum head of water, in meters, required for each section of plumbing for water test."

6"

"Minimum height of a branch vent above the fixture it is venting."

3.00 mts.

"Minimum horizontal distance of any VSTR from a roofdeck used for other purposes aside from protection from weather."

8%

"Minimum lead content in percent for pipes and fittings safe for humans."

1.50 mts.

"Minimum length of the secondary compartment of a septic tank with a capacity of more than 6 cubic meters."

10

"Minimum number of stories served by a waste stack requiring a parallel ventstack."

4"

"Minimum size of a standpipe for a building in which the highest outlet is 23 meters or less from the fire service connection."

4"

"Minimum size of a wet standpipe for a riser of more than 15 meters from the source."

3"

"Minimum size of trap and waste branch for a pedestal urinal."

2"

"Minimum size of trap and waste branch for a shower stall."

Threshold of Audibility

"Minimum sound pressure level that is capable of being detected by the human ear"

15 minutes

"Minimum time, in minutes, required for water to stay in the system or pipes for a water test without any leaks to satisfy said testing."

300 mm

"Minimum vertical distance from the bottom of water pipes to the top of sewer or drain pipe if laid in the same trench on top of the other."

0.90 mtr.

"Minimum vertical distance of VSTR from above of any openable window or opening."

2.10 mts.

"Minimum vertical extension of VSTR from any roofdeck where it is protruded."

INTAKE CONDUIT

"Necessitates a large pipe or conduit so that velocities will be low but not low enough to allow sedimentation."

Transmission Loss

"Of a partition, the number of decibels by which sound is reduced in transmission through it; a measure of the sound insulation value of the partition, the higher the number, the greater the insulation value."

Winding-Drum Machine

"On elevators, a gear-driven machine having a drum to which the wire ropes that hoist the car are fastened, and on which they wind."

Teflon

"One of the earlier plastic to be developed in 1938, a du pont trade name for the white, soft, waxy, and non-adhesive polymer of tetrafluoroethylene."

VITRIFIED CLAY PIPE

"Pipes that are used to underground public sewers, house sewer and drains. It is made up of clay and also resistant to acids."

LEAD - a metal used by Romans as a plumbing material

"Plumbarius is to individual who worked in the sanitary field, while Plumbum is to ___________."

INSTALLING

"Plumbing is defined as the art and science of ___________ pipes, fixtures and other apparatus."

STRUCTURAL MEMBERS

"Plumbing shall be installed with due regard to presentation of the strength of ___________ and prevention of damage to walls and other surfaces through fixture usage."

LOW LIFT PUMP

"Pump that lifts surface water and move it to a nearby treatment plant."

Fixture

"Receptacles intended to receive and discharge water, water-carried waste into a drainage system with which they are connected."

Top Dip to Crown Weir

"Reference in measuring the depth of a trap seal of a trap."

Sanitary Sewer Main

"Sanitary sewage from buildings shall be discharged directly to the nearest ___."

Ball Valve

"Single lever valves used in kitchen sink and lavatory faucets or at shower valves works by the principle of a ___."

HOUSE DRAIN

"Sometimes referred to as "the collection line of a plumbing system.""

All of the above

"Sound Transmission Loss (STL) is/are affected by the following ____. a. Intensity of sound from source b. Material density c. Medium d. All of the above"

Microphone

"Sound system input device that reacts to and converts variable sound pressure into variable electrical current."

60 Cycles

"Standard frequency of power supplied by the local power utility company like Meralco."

2 1/2"

"Standard size of an outlet for a dry standpipe located at each floor."

TRUE

"TRUE OR FALSE : A cast-iron strainer basket is attached to the drain to prevent stones, leaves and other materials from entering the conductor."

FALSE

"TRUE OR FALSE : A cleanout extended above the floor can also be utilized as floor drain."

TRUE

"TRUE OR FALSE : A roof leader may be terminated by placing a hub of cast-iron soil pipe flush with the roof."

FALSE

"TRUE OR FALSE : All changes of direction shall be done with short radius fittings."

FALSE

"TRUE OR FALSE : Another element to consider in determining the size of the drain is the depth of the building."

FALSE

"TRUE OR FALSE : Horizontal runs may not be suspended from band iron hangers or steel ring hangers anchored in the structure"

TRUE

"TRUE OR FALSE : If the roof leader is constructed of galvanized steel, it must be supported at every floor with a pipe rest."

TRUE

"TRUE OR FALSE : In changing house drain directions, the branch shall be run at right angle as a floor drain."

TRUE

"TRUE OR FALSE : No septic tank shall be installed within under a house."

TRUE

"TRUE OR FALSE : One factor which makes the sizing of storm drain difficult is the matter of grouping rainfall over a given period."

TRUE

"TRUE OR FALSE : Roof drains are provided with a copper flashing, or in some instances, with a cast-iron clamp so that the joint between the roof and the conductor will be water-tight."

FALSE

"TRUE OR FALSE : Sanitation is the field of public health dealing with environmental degration and prevention and control of diseases"

TRUE

"TRUE OR FALSE : Septic tank should be located not less than 15m away from potable water to prevent contamination."

TRUE

"TRUE OR FALSE : The base of the roof leader must be provided with a concrete or stone foundation."

TRUE

"TRUE OR FALSE : The change of direction at the highest point of the conductor should be made by means of an elbow & 45° fitting."

TRUE

"TRUE OR FALSE : The design and layout of plumbing system is governed by a set of rules promulgated by the National Standard Plumbing Code (NSPC)"

TRUE

"TRUE OR FALSE : The discharge capacity of the pipe varies according to its length and grade per foot."

TRUE

"TRUE OR FALSE : The roof leader is extended vertically through the floors of the building to a point just below the roof and is then extended horizontally to reduce the danger of breakage which may result because of expansion and contraction of the roof."

TRUE

"TRUE OR FALSE : The storm drain is connected to the sewer at right angles by means of a 45° Y and curve assembled in exactly the same manner as a sanitary house sewer connection."

TRUE

"TRUE OR FALSE : Water distribution is a network of pumps, pipelines, storage tanks and appurtenances."

Battery of Fixtures

"Term applied to the interconnection of the same fixtures in one soil or waste branch with one branch vent."

Building sewer

"That part of the drainage system that extends from the end of the building drain and conveys its discharge to the public sewer, private sewer, individual sewage disposal system or other appropriate point of disposal."

HOUSE SEWER

"That portion of the horizontal drainage system which starts from the outer face of the building and terminate at the main sewer in the street or septic tank."

CARRYING CAPACITY

"The ability of an area resource system to support the activities of a given population."

LATENT HEAT

"The amount of heat which is absorbed or evolved in changing the state of a substance without changing its temperature."

plumbing

"The art and science of installing in buildings the pipes, fixtures and other apparatus for bringing in water supply and removing water and waterborne waste."

Refraction

"The bending of sound wave when traveling forward changes direction as it passes through different densities."

ALKALINITY

"The carbonate and bicarbonate of calcium, sodium and magnesium are the common impurities which cause ______________."

RA 9003

"The complete RA No. of ECOLOGICAL SLOID WASTE MANAGEMENT ACT 2000."

Water Hammer

"The concussion and banging noise that results when a volume of water moving in a pipe suddenly stops or loses momentum."

Ton of Refrigeration

"The cooling effect obtained when 1 ton of ice at 32 oF (0 C) melts to water at the same tmeperature in 24 hrs."

Water distributing pipe

"The first section of water supply piping in a building after the water meter."

Water distributing pipe

"The first section of water supply piping in a building after the water meter."

governor

"The following are basic component parts of an escalator except____."

governor

"The following are basic component parts of an escalator except____."

Method of cooling

"The following are elements of centralized airconditioning system except _______."

Method of cooling

"The following are elements of centralized airconditioning system except _______."

Polarization

"The following are ways in which heat may be transferred except____."

That sound travels in a vacuum

"The following statements are true with regards to sound except ___. a. That sound is an aural sensation b. That sound is caused by oscillation in an elastic medium c. That sound travels in a vacuum d. That sound is caused by the vibration of particles which move in an infinitesimal amount causing particles to impart motion and energy to them ___."

Roughing-in

"The installation of parts of the plumbing system which can be completed prior to installation of fixtures or finishing. This includes drainage, water supply and vent piping and necessary fixture supports."

DOMESTIC SEWAGE

"The liquid and water borne waste derived form the ordinary living process, free from industrial wastes, and of such character as to permit satisfactory disposal without special treatment into the public sewer or by means of private disposal system."

Luminance

"The luminous intensity of any surface in a given direction per unit of projected area."

2.0 mts.

"The minimum face to face distance between elevators in three and four car grouping."

Frequency

"The number of cycles per unit time of a wave or oscillations expressed in hertz of cycles per second."

Frequency

"The number of times the cycle of compression and rarefaction of air makes in a given unit of time. "

Fungus resistant and corrosion resistant

"The over-all covering of underground feeder and branch circuit cables shall be ____."

Service Drop

"The overhead service conductors from the last pole or other aerial support to and including splices, if any, connecting to the service entrance conductors at the building."

Feeder Line

"The portion of an electric wiring that extends beyond the final over current device protecting the circuit "

Elevator Landing

"The portion of the hoist way extending from the threshold level of the lowest landing door to the floor at the bottom of the hoist way. "

Sound Absorption

"The process of dissipating sound energy by converting it to heat."

Softening

"The process of removing calcium and magnesium deposits in water."

COEFFICIENT OF LINEAR EXPANSION

"The proportional change in length corresponding to 1°F change in temperature is known as the _______________."

demand factor

"The ratio of the maximum demand of a system, or part of a system, to the total connected of a system or the part of a system under consideration is called - "

Sound Attenuation

"The reduction in the intensity or in the sound pressure level of sound which is transmitted from one point to another."

VERTICALLY, HORIZONTALLY

"The roof leader is extended _________ through the floors of the building to a point just below the roof & is then extended _________ to reduce the danger of breakage which may result because of expansion and contraction of the roof."

2.8 - 3.0 TIMES

"The septic tank should be double compartment and should be capable of holding how many times of daily waste water flow."

Sludge

"The solid organic materials being more dense than water, tend to settle to the bottom of the tank "

Resistance and reactance

"The term impedance is used in transformers and other devices in ac is a combination of _______."

Seasonal energy efficiency ratio

"The total cooling output of an airconditioner during its annual usage, in BTU/hr divided by the energy input during the same period, in watt-hours is known as_____."

Heat resistant thermoplastic

"The trade name for an insulated conductor with type letter THHN is ______."

Convection

"The transmission of heat energy from one place to another by circulatory movement of a mass of fluid."

3 section truss

"The typical truss configuration used in the installation of an escalator."

LESS THAN 25-STORIES

"The use of cast-iron pipes should be limited to buildings ______stories in height."

All of the above

"The velocity of sound is affected by _____. a. Temperature b. Kind of medium c. Material density d. All of the above"

Water main

"The water supply pipe provided by the water utility company where local individual connection is done."

660 mm

"There shall be installed in the pit of each elevator where the pit extend more than ___ below the sill of the pit access door "

SANITARY ENGINEERING LAW

"This act is known as __________ that was approved on June 18, 1955."

Mechanical Maintenance Locking Device

"This device, in escalators, is provided at the drive unit location to protect against accidental movement of the escalator during inspection of the drives or during general maintenance."

Current Overload Safety Switch

"This device, in escalators, stops the escalator automatically if an abnormal current is supplied to the motor."

INSIDE STORM DRAIN

"This is the type of storm drain located under the basement floor within the walls of the building and is used in buildings located in congested business areas."

Hermholtz resonator

"This material is so named in honor of a German physicist, consista of a holllow material with a small hole on one side. This is used to detect individual frequency of complex acoustic wave configuration."

NATIONAL STANDARD PLUMBING CODE (NSPC)

"This promulgated the design and layout of a plumbing system that is governed by set of rules"

PLUMBING FIXTURES

"This should be supplied with water in sufficient volume or at adequate pressure to enable them to function properly."

Riser Diagram

"This shows the vertical relationships of all panels, feeders, switches, switchboards, and major components are shown up to, but not including, branch circuiting, it is an electrical version of a vertical section taken through the building."

HEAT

"This the pollutant that affects the quality of water due to impact of Biochemical Oxygen Demand (BOD) discharges, that rises when temperature rises."

Proximity / Capacitance

"This type of perimeter detector detects a change in capacitance of the area covered, caused by intrusion. Proximity / Capacitance a. Microwave"

OUTSIDE STORM DRAIN

"This type of storm drain is advisable on buildings where an ample amount of ground space between buildings is available."

INSIDE STORM DRAIN

"This type of storm drain is used in buildings located in congested business areas."

COMBINATION HOUSE SEWER

"This type of terminal should be used only where the public sewer discharges its contents into a terminal other than a disposal plant."

DRUM TRAP

"This type of trap is used in many localities where venting is not required by local ordinances. This device permits the waste to flow through it rapidly."

Washdown

"This type of water closet is prohibited by some health codes"

Reverse Trap

"This type of water closet is similar to that of the siphon-jet except that it has a smaller trap passageway and smaller water surface area, moderately noisy."

10% opening

"Transondent facings are those transparent facings with holes. Which facing will reflect more sound?"

General Lighting

"Type of lighting dealing with relatively large area lighting."

Indirect Lighting

"Type of lighting system where 90-100% of light output is directed to the ceiling and upper walls of the room"

Polyethylene

"Type of plastic pipe other than polyvinyl chloride and polybutylene."

UNPLASTICIZED

"U" in UPVC stands for

Sabin

"Unit of sound absorption equivalent to 1 square foot of perfectly absorptive material."

HAND PUMP

"Used to raise water from shallow depths and used most frequently for individual houses."

Air curtain

"Vertical flow of air used to separate different functions of spaces."

Winding-Drum Machine

"Vertical tracks that serves as a guide for the car and the counterweight."

Architectural acoustics

"Wallace Clement Sabine, an American physicist who pioneered work on sound is said to be the father of ____?"

Siphon Vortex

"Water closet that is quiet, extremely sanitary, water is directed through the rim. It scours bowl, folds over into jet; siphon."

POTABLE WATER

"Water that is safe to drink, pleasant to the taste and usable for domestic purposes."

PLUMBARIUS

"What ancient roman term refers to an individual who worked in the sanitary field of ancient Rome?"

Both a and b

"What aspect/s of environment or surroundings is/are considered in air-conditioning system for human comfort? a. Temperature of the surrounding air b. Motion of air"

Wye and 1/8 Bend

"What combination of pipe fittings is installed at the base of a soil stack?"

BALL COCK

"What do you call a faucet opened or closed by the fall or rise of a ball floating on the surface of water?"

STORM DRAIN

"What do you call that unit of the plumbing system which conveys storm water to a satisfactory terminal?"

FIXTURE DRAIN

"What do you call the drain from the trap of a fixture to the junction of the drain pipe?"

ENVIRONMENTAL PROTECTION

"What is the general role of Sanitary and Environmental Engineering?"

ABSORPTION

"What is the immersion in a fluid for a definite period of time, usually expressed as a percent of weight of the dry pipe?"

558mm

"What is the minimum distance between the handrails of escalators?"

Energy Efficiency Rating

"What is the rating index of an airconditioning/ refrigeration system which rates the unit for the number of BTU's of heat removed per watt of electrical input energy? (EER)"

PLUMBER

"What is the title given to a person who is a skilled worker in the field of sanitation?"

Fan Coil Unit

"What mechanical equipment, coupled with a central airconditioning system, is used to to dehumidify and cool the air stream injected to a conditioned space."

RENAISSANCE PERIOD

"What period was plumbing revived? It is the period when Europe was plagued with epidemics."

2-s3w and 1-s4w

"What switch combination may be used in order to control a lamp or group of lamps in three different locations?"

COPPER PIPE

"What type of pipe is durable and has extreme resistance to corrosion?"

CAST IRON PIPES

"What type of pipe is the most specified material need for drainage installation in buildings?"

Porous Absorbents

"What type of sound absorbent is best for lower band frequencies."

Structureborne sound

"When sound impinges on a surface such as walls, floor, ceiling, etc. It is referred to as _____."

610 mm.

"When the elevator car rest on its fully compressed buffer, there shall be a vertical clearance of not less than between the pit floor and the lowest structural or mechanical part. "

28-Jun-55

"When was the Rep. Act No. 1378, also known as the National Plumbing Code of the Philippines approved?"

All of these

"Which is the following characterizes centrallized airconditioning a. It uses ducts b. Has cooling tower c. Provided with air handling unit d. All of these"

All of the above

"Which of the following factors affect/s room acoustics? a. Shape and proportion of room b. Room cavity c. Seating and other furnishings d. All of the above"

counterweight

"Which of the following is not a component of a hydraulic elevator?"

Gold

"Which of the following metallic materials is considered as the best conductor of electricity?"

Cafeteria with people in it

"Which of the following sources of sound produces the highest sound pressure level (SPL)?"

R-22

"Which type of refrigerant is recommended for residential, commercial, and industrial application using split type airconditioning system?"

Nikola Tesla

"Who said these prophetic words: "Let the future tell the truth and evaluate each one according to his work and accomplishment. The present is theirs, the future for which I really worked for is mine."?"

DUCTILE IRON

"____________ a stronger and more elastic type of cast iron used in newer plumbing installation."

BOOSTER PUMP

"____________ is a pump that increases the pressure within the distribution system or raise water to an elevated water storage tank."

STEEL PIPES

"____________ is used for pipelines, truck mains and inverted siphon where pressures are high and sizes are large."

INFLOW

"____________ is water which enters sewers from surface sources such as graces in manholes, open cleanouts, perforated manhole covers and roof drains or basement sumps connected to the sewer."

PLUMBING SYSTEM

"____________, including fixtures, shall be maintained and properly usable"

PRIMARY FEEDERS

"____________, sometimes called arterial mains, for in the skeleton of the distribution system."

CROSS CONNECTION

"_____________ is a junction between water supply systems through which water from doubtful or unsafe sources may enter an otherwise safe supply."

WATER METER

"_____________ is required to be installed so as to register the amount of water supplied to a building."

COLOR

"______________ is caused by material in solution or a colloidal state should be distinguished from turbidity."

TURBIDITY

"______________ is when water contains visible material in suspension"

BACKFLOW

"______________ permits water drawn into a fixture tank or similar devices to flow back into the supply line by gravity or siphonage."

IRON

"_______________ in water causes hardness, and in small amount it will cause taste, discoloration of clothes and plumbing fixtures and incrustations in water mains."

sound -

"a sensation felt by the brain resulting from the distance of molecules in the air"

all true

"a. Cleanouts may be omitted on a horizontal drain less than 1.5 meters in length unless such line is serving sinks or urinals. b. no galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least 15 cms above ground. c. 1 3/4"" diameter is 'not' a commercial size of G.I. Pipe for water supply."

pure tone -

"simplest kind of sound composed entirely of sound waves of a single frequency"

sprocket assembly

"where the endless belt of steps pass around during operation of an escalator"

GI PIPE SIZES

1/2", 3/4", 1", 1 1/4", 1 1/2", 2, 2 1/2", 3", 4", 6", 8", 10", 12"

JACK

35gpm against 450 ft. total develop height

BIDET

A basin like fixture design to be struddled for bathing the genitals and posterior parts of the body

Pull Box

A box with a blank cover which serves the purpose of joining one different runs of raceways or cables and provided with sufficient space for connection and branching of the enclosed conductors.

MULTI WIRE BRANCH CIRCUIT

A branch circuit consisting of two or more grounded conductors having a potential difference between them, and a grounded conductor having equal potential difference between it

CIRCUIT VENT

A branch vent that serves two or more traps and extends from in front of the last fixture connection of a horizontal branch to the vent stack

GROUP VENT

A branch vents that performs its functions for two or more traps

Multi-zone system

A central Air-handling unit capable of serving 8 zones simultaneously

Bonnet

A chamber at the top of a hot-air furnace from which the leaders emerge

Mixing box

A chamber for proportioning and blending cold and warm air under thermostatic control to reach the desired temperature

RACEWAY

A channel system in carrying electrical wire

LOOP or CIRCUIT VENT

A circuit vent which loop backs to connect with a stack vent instead of a vent stack

Preheater

A coil for heating air that is below 0°C (32°F) to a temperature slightly above freezing, in advance of other processing

Coil

A connected series of pipes or tubing in rows or layers, often having fins attached to dissipate heat

Chase

A continuous space or recess built into a wall or through a floor for pipes or ducts

Humidistat

A controller sensitive to the degree of moisture in the air.

CIRCUIT BREAKER

A device designed to open and close a circuit by non automatic means and to open the circuit automatically on predetermined over current without damaged to itself when properly applied within its rating

Register

A device for controlling the flow of warm or conditioned air from an outlet, composed of grill with a number of parallel blades that may be adjusted so as to overlap and close the opening

Rectifier

A device for converting alternating current to direct current.

Humidifier

A device for maintaining or increasing the amount of water vapor in the air of a room or building

Condenser

A device for reducing a vapor or gas to liquid or solid form

Thermostat

A device installed on an electric water heater used to detect the working temperature to activate a switch.

THERMOSTAT

A device installed on electric water heater used to detect the working temperature to to activate a switch

CONTROLLER

A device or group of devices which serves to govern in some predetermined manner, the electric power delivered to the apparatus to which it is connected

FLUSHOMETER

A device that discharge a predetermined volume of water to fixture for flushing purposes and is activated by direct water pressure

Automatic Transfer Switch (ATS)

A device that is basically a double throw switch of generally 3-pole connection that will automatically transfer the power from the standby generator to the building circuitry during electrical power failure.

air-conditioning

A device that maintains, control of the indoor environment—its desirable temperature, humidity, air circulation, and purity for the occupants of that space or for the industrial materials that are handled or stored there.

humidifier

A device use for moistening the air at the desired degree?

Fibrous Materials

A device used for sound absorption

PRESSURE REGULATOR

A device used to control an incoming high water pressure into the water distribution system by mechanical means so as to bring it to a working pressure of 80 psi

TRANSFORMER

A device used to convert voltage from higher to lower or vise versa

Panic Bar

A device which extends across at least 1/2 the width of each door leaf which will open if subjected to pressure.

METAL CLAD CABLE (MC)

A factory assemble cable of one or more conductors each individualy insulated and enclosed in a mettalic sheath of interlocking tape of smooth or corrugated tube. This type of cable is especially used for service feeders, branch circuit and for indoor, outdoor work

Package air conditioner

A factory-assembled air conditioner having a fan, filters, compressor, condenser, and evaporator coils for cooling

Blower

A fan supplying air at a moderate pressure, as to supply forced drafts in a heating or air-conditioning system

Bibbcock

A faucet fitted with a nozzle curving downward used as a draw-off tap.

lavatory faucet

A faucet fitted with nozzle curving downward used as a draw-of trap:

BELL REDUCER

A female GI pipe reducer fitting use to connect a reducing branch from a main water distribution

COUPLING REDUCER

A female GI pipe reducer fitting used in straight connection, both are threaded inside

ELBOW REDUCER

A female GI threaded pipe reducer fitting use to connect a reducing branch pipe at an angle

Duct liner

A fiberglass blanket for lining the side of the duct to reduce noise and serve as thermal insulation

Fixed Temperature

A fire detector installed in a fire alarm system which uses low melting point solders or

DRY STANDPIPE

A fireline system without a constant water supply and is equipped with a fire service inlet and outlet connection installed exclusively for the use of Fire Service

BLIND FLANGE

A flange that closes the end of a pipe line used to discharge water

BLANK FLANGE

A flange that is not drilled

Coolant

A fluid agent for reducing the temperature of a system below a specified value by conducting away the heat produced in the operation of the system

ON EVERY HOSE BIBB

A full open type valve is used in several locations in a water distribution system, which of the following does NOT require it?

CHECK VALVE

A full open valve located in a supply pipe to every water heater

WINDING DRUM MACHINE

A geared drive machine in which the suspension ropes are fastened to and wind on a drum

stack

A general term used for any vertical line of soil, waste, or vent piping:

Psychrometric Chart

A graph used in air-conditioning and showing the properties of air-system mixtures.

Grille

A grating or perforated screen for covering, concealing, or protecting a wall, floor, or ceiling opening

Return grille

A grille through which return air is withdrawn from air-conditioned space

20 to 20000 HZ

A healthy pair of human ear has a detection range of.

Floodlight

A lamp designed to project and diffuse a uniform level of illumination over a large area.

LUMINAIRE

A lighting fixture

Luminaire

A lighting unit consisting of one or more electrical lamps.

Refrigerant

A liquid capable of vaporizing at a low temperature, such as ammonia, used in mechanical refrigeration

Eggcrate

A louvered construction divided into cell-like areas and used for redirecting the light emitted by an overhead source.

CORONA

A luminous discharge due to ionization of the air surrounding a conductor caused by voltage gradient exceeding a certain critical value

CANDELA

A luminous intensity of light expressed in candela; Unit of luminous intensity

dumbwaiters

A machine often provides the most convenient and economical means of transporting relatively small articles between levels.

generator

A machine that converts mechanical energy into electrical energy called

Alternator

A machine that converts mechanical energy into electrical energy, a generator of alternating current.

Pump

A machine that raises, transfers, or compresses fluids or gases by suction or pressure produced by a piston, plunger, or set of rotating vanes

Fiberglass

A material consisting of extremely fine filaments of glass, woven into fabric, massed for used as a thermal and acoustical insulator, or embedded to reinforce various materials

Thermal insulation

A material providing high insulation to heat flow, such as mineral wool, vermiculite, or foamed plastic, fabricated into batts, blankets, boards, or loose fill

insulation

A material which stops the transfer of heat is also known as?

Fluorescense

A means of producing light from gaseous discharge.

OUTLET BOX

A metal box at an outlet which encloses one or more receptacle

CUT OUT BOX

A metal housing that houses the circuit breaker or fuses; surface mounted

FERRULE

A metallic sleeve, join to an opening of pipe, into which a plug is screwed that can be removed for the purpose of cleaning

Damper

A movable plate for regulating the draft in the air outlet, air duct, or the throat of a fireplace

Electric current

A movement or flow of electrically charged particles, typically measured in amperes.

NUMBER OF BRANCH VENTS

A parameter in sizing a horizontal soil branch pipe

NUMBER OF BRANCH VENTS

A parameter in sizing horizontal branch pipe

NUMBER OF FIXTURE

A parameter in sizing the drainage pipe

CULVERT

A passage under a road, embankment or canal which allow for the flow of water

CIRCUIT BREAKER

A passenger elevator safety device which protects the motor and electrical parts from over current

CIRCUIT BREAKER

A passenger elevator safety device which protects the motor and its electrical parts from over current

5 STOREYS

A passenger elevator with a constant 24 hour service for residential condominum

YOKE VENT

A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stack

U-trap

A pipe fitting shape like letter "S":

Double Bend

A pipe fitting shaped like 'S'.

elbow

A pipe fitting to change in one single direction (course) the flow of water:

Coupling

A pipe fitting to join two straight lengths of pipes.

UNION PATENT

A pipe fitting within the interconnection of pipes for the purpose of easy dismantling of the connection when needed

Supply pipe

A pipe for conveying hot or chilled water from the boiler or chilled-water plant to a fan-coil unit

Return pipe

A pipe for conveying water from fan-coil unit to the boiler or chilled-water plant

INDIVIDUAL VENT

A pipe installed to vent, a fixture trap and w/c connects with the vent system above the fixture served or terminates in the open air

Duct

A pipe or conduit of sheet metal or fiberglass for heated or conditioned air

Sewer Pipe

A pipe or condult for carrying sewage and liquid waste

Manifold

A pipe or duct fitting having several outlets for making multiple connection

ACID VENT

A pipe venting acid waste system.

waste pipe

A pipe which conveys only liquid waste, free of fecal matter

Cesspool

A pit for the reception or detention for sewage

Flexible duct

A pliable, airtight fitting installed between a fan and duct, to prevent the transmission of noise and vibrations along the duct work

PANEL BOARD

A point in th electrical system where the electrical load of a given area is assumed to concentrate

WRONG CHOICE OF VENT TYPE

A poor venting system caused by a slow draining of water from a fixture down a plumbing system

Filter

A porous substance or mass, such as cloth or a layer of charcoal, through which a gas or liquid is passed to remove suspended impurities or to recover solids

Rigid board insulation

A preformed, non-structural insulating board of foamed plastic or cellular glass. Cellular glass insulation is fire-resistant, impervious to moisture, and dimensionally stable, but has lower thermal-resistance value than foamed plastic insulation

PABX

A private telephone system that interconnects with public telephone systems.

CENTRIFUGAL

A pump which delivers high water discharge with high water pressure drawn from a shallow source like cistern, best suited as fire or transfer pump. The motor is placed at the surface with shaft to turn the impellers below

RIGID METAL CONDUIT

A raceway especially constructed for the purpose of physical protection of conductors, the pulling in or the conduit is in place and made of metal pipe of standard width and thicknesswithdrawing of wires or cables after the

RIGID STEEL CONDUIT

A raceway especially constructed for the purpose of physical protection of conductors, the pulling in or the withdrawing of wires or cables after the conduit is in place and made of metal pipe of standard width and thickness

LIGHT

A radiant energy

Thermal Detector

A rate of rise type detector.

Compressive refrigeration

A refrigeration process in which cooling is effected by the vaporization and expansion of liquid refrigerant

Extruded polystyrene

A rigid Polystyrene foam having a closed-cell structure and used as thermal insulation

Molded polystyrene

A rigid Polystyrene foam having an open-cell structure and used as thermal insulation

Polyurethane foam

A rigid expanded polyurethane having a closed-cell structure and used as thermal insulation

Busway

A rigid metal housing for a group of heavy conductors insulated from each other and the enclosure, also called Busduct.

Chilled water plant

A room containing one or more chillers and pumps for air-conditioning a building

Burr

A rough or sharp edge left on metal by a cutting tool.

COUPLING

A short internally threaded section of pipe, used to join two pipes of conduits

NIPPLE

A short length of pipe with threads at each end; used to join couplings or fittings

Gate Valve

A shutoff valve closed by lowering a wedge-shaped gate across the passage.

DUCT

A single enclosed runway for conductor cables

Corporation Stop

A stop valve placed in the service pipe close to the connection at the water main.

Weather strip

A strip of metal, felt, vinyl, or foam rubber, placed between a dooror window sash and its frame to provide seal against windblown rain and air infiltration

Kraft paper

A strong, usually brown paper, processed from wood pulp and sized with resin

Cooling tower

A structure, usually on the roof of a building, in which heat is extracted from water has been used for cooling

JET PUMP WITH INJECTOR

A suitable type of water pump for deep well 4" or 6' casing to deliver

JACK

A suitable type of water pump for deep well 4' or 6' casing to deliver 35gpm against 450 ft. total develop height

ASKAREL

A synthetic non-flammable insulating liquid which, when decomposed by an elctric arc evolves only non-explosive gases

Lawn Sprinkler System

A system of devices, usually installed below ground level, to scatter or spray water droplets over a lawn, golf course, or the like.

Ductwork

A system of ducts, connectors, and dampers for conveying air in heating, ventilating, or air-conditioning system

Gathering

A tapered section of duct or flue forming a transition between two sections, one of which has a greater area than the other

Fan-coil unit

A terminal unit containing an air filter, heating or cooling coils, and centrifugal fan for drawing in a mixture of room air and outside air

Induction limit

A terminal unit in which primary air draws in room air through a filter and the mixture passes over coils that are either heated or chilled by secondary water from boiler or chilled-water plant

COUPLING

A threaded fitting to join two threaded fittings as closed as possible but not exceeding 3 inches

Siphon Jet (SJ)

A toilet bowl in which the flushing water enters through the rim and a siphonic action initiated by a water jet draws the contents of the bowl through the trapway.

Siphon Vortex (SV)

A toilet bowl similar to the siphon-jet, but having the flushing water directed to the rim to create circular motion or vortex which scours the bowl.

BULLDOZER

A tractor equipped with the blade attached by arms and bolted to its end, used in piling earth

OPEN DELTA FOR LIGHTING AND POWER

A transformer connection where the secondary load is a combination of lighting and power. This connection is used when the single phase lighting is large as compared with the power load

Y-Y FOR LIGHTING AND POWER

A transformer connection which is ideal in the event of change of primary voltage from 2400 volts to 4160 volts to increase the potential capacity of the system

A mechanical device used to step up or step down voltage in ac

A transformer is ______.

SCOTT CONNECTION 2 PHASE TO 3 PHASE

A transformer location required in some localities, where a three phase power is required from a two phase system

ABSORPTION TRENCH

A trench containing course aggregate and a distribution tile pipe through which septic tank effluent may flow covered with earth

High-Pressure-Sodium

A type of High-Intensity-Discharge lamp (HID).

High-Pressure-Sodium (HPS)

A type of High-Intensity-Discharge lamp (HID).

SINGLE PHASE ALTERNATING CURRENT

A type of alternating current generated by alternator, where its wave rises to its peak, sinks to zero, drop to a negative peak and rises again to zero a number of times each seconds depending on the frequency of the machine is designed

THREE PHASE ALTERNATING CURRENT

A type of alternating current where the alternator comprises the three armature windings set at 120 degrees to each other, current will be produced in the form of triple wave

Turnbackle

A type of coupling or joining device having internal screw threads or nuts with opposite screws at the end. By turning the internal screws, it is possible to connect two metal rods and regulate the length and tension of this rods:

KNIFE SWITCH

A type of electric switch consisting of one or more movable copper blades which are hinged and which make contact with stationary forked contract jaws being forced between them

WYE FITTING

A type of fitting for yoke bent

High-Pressure-Sodium (HPS)

A type of lamp generally used for roadways and sidewalks, uses sodium gas.

Mercury Lamp

A type of lamp popular for lighting commercial interiors, uses argon gas to ease starting, it produces light by means of an electric discharge in mercury vapor.

Tungsten Halogen Lamp

A type of lamp which produces light by means of the reaction of halogen additive in the bulb reacts with chemically with tungsten.

Specific Lighting

A type of lighting that provides illumination to special objects like sculptures, flower arrangements, etc.

BOILING WATER REACTOR

A type of nuclear reactor where the water coolant is permitted to boil within the core by operating at somewhat low pressure

A type of perimeter detector which detects change in sound wave pattern.

A type of perimeter detector which detects change in sound wave pattern.

Light Beam

A type of perimeter detector which detects interruption of light beam.

SUBMERSIBLE PUMP

A type of pump for driven well from 150 to 200 ft which work by a principle of venturi where water of high pressure is pump into the well to draw water upwards through the return pipe

PRESSURIZED WATER REACTOR

A type of water coolant operates at a pressure of about 150 atmospheres

Footcandle

A unit of illumination equal to 1 lumen per square foot.

LUX

A unit of illumination equal to one lumen per square meter

Foot-Candle

A unit of illumination equivalent to 1 lumen per square foot.

Lux

A unit of illumination equivalent to 1 lumen per square meter.

DELTA Y FOR LIGHTING AND POWER

A useful transformer connection applied when single phase lighting load is all on one phase resulting into unbalanced primary

Globe Valve

A valve closed by a disk seating on an opening in an internal wall.

Expansion valve

A valve that reduces the pressure and evaporation temperature of refrigerant as it flows to the evaporator

Flush Valve

A valve used in a flush tank controlling the flushing of fixture.

COMPRESSION VALVE

A valve which in the water flow is shut off by a flat disk that is screwed down onto its seat

PRESSURE REDUCING VALVE

A valve which maintains uniform pressure on its outlet side regardless of its pressure fluctuations on the inlet side above the pressure level

COMMON VENT

A vent connecting at the junction of two fixture drains and serving as a vent for both fixtures

BRANCH VENT

A vent connecting one or more individual vents with a vent stack or stack vent

RELIEF VENT

A vent installed so as to permit additional circulation of air between the drainage and vent systems where the drainage systems might otherwise be air bound

CIRCUIT VENT

A vent use in battery of plumbing fixture where the vent is installed in front of the last fixture of the battery

WET VENT

A vent which also serves as a drain

Relief Vent

A vent with a function to provide circulation if air between drainage and vent system.

Stack

A vertical duct for conveying warm air from a leader to register on an upper floor

AIR CURTAIN

A vertical flow of air used to separate different function of spaces

CONTINOUS VENT

A vertical vent that is the continuation of the drain to which the vents connect

AVA

ASBESTOS AND VARNISH CAMBRIC

Sound Diffraction

Acoustical phenomenon which causes sound wave to be bent or scattered around.

SOUND DIFFRACTION

Acoustical phenomenon which causes sound wave to bend or scattered around

a. Transmission of soundb. Effect of sound wavesc. Generation of sound

Acoustics is a science that concerns with ______.

HVAC

Acronym for heating, ventilating, and air-conditioning

DOOR LOCK SWITCH

Activate by preventing the door to open during elevator car run, the door elevator will open only when the car stops at the floor

MAGNETIC BREAK

Activate if the car travel faster than its travel speed, the power will turn off, and grasp the rope to operate the safety gear

MAGNETIC BREAK

Activate if the car travel faster than its travel speed, the power will turn off,and grasp the rope to operate the safety gear

45 Amperes

Ampacity of an insulated copper conductor, based on ambient temperature of 30degrees w/a 8 sq.m cross sectional area in size for THW

Constant-air-volume system

An All-air system in which a master thermostat automatically regulates the quantity of conditioned air supplied to each zone

Thermal reheat system

An All-air system in which a reheat coil regulates the temperature of the air being furnished to each individually controlled zone

Single duct-system

An All-air system in which a single duct conveys conditioned air to the served spaces

Dual-duct system

An All-air system in which separate cold-air and warm-air supply ducts meet at a mixing box where the air is blended before distribution to each zone

Four-pipe system

An All-water system im which separate hot-water and chilled-water piping circuits provides simultaneous heating amd cooling as needed in various zones of a building

Two-pipe system

An All-water system in which one pipe supplies the hot or chilled water to fan-coil units, and the other pipe returns it to the boiler or chilled water plant

Thermostat

An Instrument which responds to changes in temperature, and directly or indirectly controls temperature.

AIR DUCT

An air passage usually formed in sheet metal with insulation for ventilating on a building

Air-handling unit

An air-conditioning assembly containing the fans, filters, and other components necessary to treat and distribute conditioned air to an entire building or specific zones within the building

All-air system

An air-conditioning system in which central fans distribute conditioned air to the served Spaces by means of ductwork

All-water system

An air-conditioning system in which either hot or chilled water is piped to fan-coil units in the served spaces, where air is circulated locally

Air-water system

An air-conditioning system in which high-velocity ducts supply conditioned air from a central plant to each zone where it mixes with room air and is further heated or cooled in an induction or fan-coil unit

centralized air con

An air-conditioning system in which the air is treated by equipment at one or more central locations outside the spaces served and conveyed to and from these spaces by means of fans and pumps through duct and pipes.

Central air conditioning

An air-conditioning system that treats air at a central location and distributes the conditioned air to an entire building by means of fans and ductwork

Air Motor

An air-operated device used to open or close a damper or valve.

AIR CONDITIONER

An apparatus that can heat, cool, clean and circulate air

Busway

An approved assembly of insulated conductors with fitting and conductor terminations in completely enclosed ventilated protective metal housing where the assembly is designed to carry fault current and to withstand the magnetic forces of such current.

Pressure Regulating Valve

An automatic device used for converting high, fluctuating inlet water pressure to a lower constant pressure.

CABLE WIRE

An electric conductor consisting of a group of smaller diameter conductor strands twisted together

Reheat coil

An electric or hot-water coil for raising the temperature of the ar in the supply duct of an air-conditioning system

Thermal break

An element of low thermal conductivity placed in an assembly to reduce the flow of heat between highly conductive materials

Hygrostat

Another name for Humidistat.

D.C. Generator

Another name for a Rectifier.

CORPORATION STOP

Another name for corporation cock

Power Panel

Another name for distribution panel.

Lift

Another name for passenger elevator.

DISTRIBUTION PANEL

Another name for power panel

PLUG IN TYPE

Another type of circuit breaker element other than bolt-on

LOOP or CIRCUIT VENT

Any vent connecting a horizontal branch or fixture drain with the stack vent of the originating waste or soil stack

counterweight

Are rectangular blocks of cast-iron stacked in a frame, which is supported at the opposite ends of the cables to car is fastened.

guide rails

Are vertical tracks that guide the car and counterweight?

Stranded (no.6 AWG and larger)

Cables are conductors that are ____?

House Drain

Collection line of a plumbing system is sometimes referred to as.

Black

Color code for pipes containing acid.

black

Color code for pipes containing acid.

BLACK

Color coding for fuel oil division

WHITE

Color coding of high pressure steam

BLACK

Color coding of piping for fuel oil division

2x2" WYE WITH 2" CO AND 2 X 1/8 BEND

Combination fitting between the vertical waste branch and the horizontal waste branch

SIAMESE CONNECTIONS

Common term for a two way service connections

Refrigeration

Condensing unit is a part of a ___.

GUTTER

Conductor is to vertical; __________ is to horizontal

COMBINATION PUBLIC SEWER

Considered as the oldest type of sewer.

elevator

Consist of a platform or car traveling in vertical guides in a shaft or hoist way, with related hoisting and lowering mechanisms.

1 1/4"

DRINKING FOUNTAIN

ILLUMINATION

Density of the luminous flux on a surface

Thermosetting

Descriptive of any material such as synthetic resin which hardens when heated or cured, and does not soften when reheated.

boiler

Device for heating water or generating steam above atmospheric pressure.

LAMPHOLDER

Device for mechanical support of light

cooling tower

Device for reducing the temperature of a liquid, usually water, by bringing it into contact with an airstreams where a small portion of the liquid is evaporated and the major portion is cooled.

URINAL FLASH VALVE ASSEMBLY

Device in control valve which work by discharging instantaneous volume of water at higher pressure

PENDENT

Device or equipment which is supended from overhead either by means of the flexible cord

alternator

Device that convert electrical energy into mechanical energy, by electromagnetic means.

LIMIT SWITCH

Device that open and closes the electric current in an elevator when it has reached the

LIMIT SWITCH

Device that open and closes the electric current in an elevator when it has reached the designated end of travel course

AIR CHAMBER

Device used to prevent water hammering

WAIT INTERVAL

Dividing the travel length by the rated speed

NO

Do appurtenances need direct connection to water supply?

BLACK

FUEL OIL DIVISION

ARMOR CABLE (AC)

Fabricated assembly of insulated conductors enclosed in flexible metal sheath. It is used both on exposed and concealed work

Wood wool

Fine wood shavings, usually of pine or chemically treated wood fibers, used as an insulating material, as binder in plaster, and for packing

FIXED TEMPERATURE

Fire detector installed in a fire alarm system, which uses low melting point

REAR OR TOP

Fire tube boliers shall be provide with sufficient room for removal or replacement of tube either from these places

AVOIDING ZONES OF DIRECT SOUND

First defense method from external noise by site selection and site planning for quiet internal acoustic environment

1/4" BEND ?

Fitting for base or soil stack and building drain

1/4", WYE and 1/8" BEND, LONG SWEEP, 1/8" and 1/8" COMBINATION

Fitting installed at the base of the soil stack and a building drain

Escutcheon

Flange used on a pipe to cover a hole or opening in a floor or wall which the pipe pass.

Batt insulation

Flexible, fibrous thermal insulation of glass or mineral wool, made in various thickness and lengths and in 406mm (16in) or 610mm (24in) widths to fit between studs, joist, and rafters in light-frame construction, sometimes faced with a vapor retarder of kraft paper, metal foil, or plastic sheet

FEPW

Flourinated Ethylene Propylene Moisture Resistant

Current

Flow of electricity in a circuit; the unit of measurement is the ampere.

SOUND

Fluctuation in pressure, a particle displaceent in elastic medium

Sound

Fluctuation in pressure, a particle displacement in an elastic medium.

coagulant

Fluoride as an addictive in water supply is a chemical for:

BLACK

GAS DIVISION

COUPLING

GI fitting to join two threaded fittings as close as possible but not exceeding three inches

2" WYE AND 2 x 1/8 BEND COMBINATION

GI fitting used to accept the P trap assembly of the lavatory (drawing)

WATER DISTRIBUTION PIPES

General term for hot or cold water pipes containing portable water supplying different plumbing fixture

FLUSH VALVE FITTINGS

General term used to described the fitting in the drawing

WHITE

High Pressure

ULTRASONIC

Higher than 20,000 Hertz

Safety Shoe

In elevator, it detects the obstacles during the door closing, and reopens the door if there is something. Photocell can be used together with this.

Weighing Device

In elevator, it makes the buzzer alarm when the car is overloaded and the door remains open until overloading is eliminated.

Limit Switches

In elevator, these prevent the excessive car travel at the highest and lowest floor.

Handrail Guard Switches

In escalators, these stop the escalator if a foreign object becomes wedged at the guard.

Disconnect Switch

In escalators, this is located at the bottom truss of the escalator and provided with on and off positions to stop or prevents the escalator from starting during maintenance service.

SCOTT CONNECTION 3PHASE TO 2PHASE

In some localities two phase power is required from three phase system

Fiberboard sheathing

Insulating fiberboard treated or impregnated with asphalt for water resistance and used primarily for sheathing light wood frame walls

BATTERY OF FIXTURE

Interconnection of the same fixture in one soil or waste branch with one branch vent

MONITORING CONTACTS ON STEP CHAIN

Internal electronic safety features of an escalator. They function as a safety switches or detectors which monitors internal mechanical or electrical abnormalities and shuts down the system in any eventuality

Phase

Interrelationship between value of voltage and current with the same frequency.

BUS

Is a conductor, or group of conductors, in switchgear assemblies which serves as a common connection for two or more circuit

FLOOD LEVEL

Is a device located at the bottom of the tank for the purpose of flushing water closets and and similar fixture

MINERAL INSULATED CABLE (MI)

Is a factory assembly of one or more conductors insulated with highly compressed refractory mineral insulation enclosed in a liquid and gas tight continous copper sheath. This type of cable is used in dry, wet or continously moist location as service feeders or branch circuit

KNIFE SWITCH

Is a form of air switch in which the moving element is a hinge blade wedge between stationary contact blades when closed

UNDERGROUND FEEDER AND BRANCH CIRCUIT (UF) POWER AND CONTROL TRAY CABLE (TC)

Is a moisture resistant cable used for underground connections including direct burial in the ground as feeder or branch circuit This is factory assembled two or more insulated conductors with or without associated bare or covered or grounding under a mettalic sheath, This is used for installation of cable trays, raceways, or it is supported by messenger wire

FIXTURE BRANCH

Is a pipe connecting several fixtures

LOCAL VENT

Is a pipe on the fixture side of the trap through which vapor or foul air is removed from a room fixture

MEDIUM VOLTAGE CABLE (MV)

Is a single or multi conductor solid dielectric insulated cable rated at 2,000 volts or higher. This type is used for power system up to 35,000 volts

LIGHTNING SURGE

Is a transient electric disturbance in an electric circuit caused by lightning

SURGE

Is a transient variation in the current potential or power

Dampers

Is a valve or plate that stops or regulates the flow of air inside a duct, chimney, air handler, or other air handling equipment.

ASSEMBLY

Is combination of all or a portion of component parts included in an electric apparatus, mounted on a supporting frame or panel and properly interwined

TELECOMMUNICATION SYSTEM

Is the simplest type of building automation system, which intercoms, PABX, microwave links, analog and digital telephone system, video conferencing, satellite links, structured cabling and similar devices

shaft

Is the vertical passageway for the car and counterweight?

check valve

It automatically closes to prevent the flow of fluid in a reverse direction.

Low resistance, high current

It characterizes short circuit

gearless traction

It consists of DC motors and the shaft of which is connected directly to the brake wheel and driving sheave.

water hammer

It is a loud thumping noise that results from a sudden stoppage of the flow in water lines.

ASBESTOS-CEMENT NON-PRESSURE SEWER PIPE

It is a non-metallic plumbing material?

elevator

It is a platform or car for hoisting or lowering passenger or freight.

Truss

It is a three - section built up welded steel trussed framework, which supports the moving stairway component

Panelboard

It is also known as electric panel or load center.

caulking

It is the method of rendering a pipe fitting waterproof by using oakum or lead

3/8"

It is the size of supply valve tank type for water closet

Fascia Plate

It prevents passengers from falling into the hoistway when they try to get out of the car which is stopped between the floors.

Plumbarius

It refers to an individual who worked in the sanitary field of ancient Rome.

INFRARED FLAME DETECTOR

It responds to the high-frequency radiant energy from flames. Alarm is only triggered when IR energy flickers at rate which is chracteristics of flame

VENT PIPE

It ventilates a house drainage system and prevent siphonage and back pressure

IRA 1378

Its complete RA no:

compressor

Its function is to dispose the heat carried away from the condenser

METAL HALIDE

Light source used in lighting fixtures best specified in areas such as those requiring high illumination levels for detailed work such as needle work

AT EVERY BRANCH INTERVAL OFA SOIL STACK

Location that does not require installation of clean out

compressor

Machine that decreases the volume and increases the pressure of a quantity of air by mechanical means.

ELECTRIC MOTOR

Machine which transforms electric power into mechanical power

6.10 mts.

Maximum distance of any underfloor cleanout from any access door, crawl space, or crawl hole.

122 cm

Maximum height of Dry Standpipe Outlet from the floor line

122cm

Maximum height of Fire Service Connection from the grade/floor

1.20 mts.

Maximum height of a dumbwaiter.

102 mm.

Maximum height of a water seal for each fixture trap.

600 mm

Maximum length of a tailpiece.

60 cms.

Maximum length of the tailpiece from any fixture.

1.80 mts.

Maximum liquid depth for septic tank.

4 ft.

Maximum spacing of pipe supports at intervals.

4'

Maximum spacing of pipe supports at intervals.

1.20 m

Maximum width of balustrade

330 mm

Maximum width of the steps

the reciprocal of ohm

Mho as used in electrical systems calculation is defined as _______.

Ultrasonic (or Microwave)

Microwave system.

Rock wool

Mineral wool made by blowing steam or air through molten slag or rock

26

Minimum Gauge of galvanized sheet used for downspouts.

30 amperes

Minimum ampacity of feeder conductor with a load of more than two wire branch circuit supplied by a 3-wire feeder but not exceed the computed branch circuit load

35 degrees

Minimum angle of inclination of an escalator

30 amperes

Minimum branch circuit rating for household ranges and cooking appliance

1 cum.

Minimum capacity, in cubic meters, of the secondary compartment of a septic tank.

0.305 mtr. / 305 mm

Minimum clearance in front of any cleanout in meters for pipes 51mm or less in diameter.

0.45 mtr. / 450 mm

Minimum clearance in front of any cleanout in meters for pipes larger than 51 mm. Dia.

2.2, 30, 8, 14

Minimum conductor size for for overhead service drop for copper wire or cable

WASH DOWN

Minimum cost. Least efficient subject to clogging, noisy. Simple washout and emptying through small irregular passageway, prohibited by some health codes

30mm

Minimum diameter of hoisting and counterweight ropes

508 mm.

Minimum dimension of a manhole access to a septic tank.

1 1/2"

Minimum discharge pipe and fitting for bath tub

3.00 mts. FROM OUTSIDE WALL

Minimum distance if the building is not made of fire resistive materials

30.50 mts.

Minimum distance of a water supply well from a disposal field.

45.70 mts.

Minimum distance of a water supply well from a seepage pit or cesspool.

15.20 mts.

Minimum distance of a water supply well from a septic tank.

500 mm

Minimum distance of poles and transformer support located from the road right of way

300 mm

Minimum distance of water pipings from any regulating equipment, water heater, conditioning tanks, and similar equipment requiring union fittings.

0.60 mtr.

Minimum elevator width of single slide door elevator for small commercial or residential building.

300 mm

Minimum extension of a vent stack through roof above any other vertical surface.

150 mm / 15 cms.

Minimum extension of a vent stack through roof above the roof.

0.90 mtr.

Minimum extension of the VSTR above an openable window, door opening, air intake, or vent shaft.

15 cms.

Minimum extension of the VSTR above the roof.

3/8"

Minimum fixture supply pipe diameter for tank type water closet.

2.30 meters ABOVE THE FLOOR

Minimum for refrigerant piping crossing a passageway in any building

2.13 meters

Minimum for window type AC installed on ground floors

3 HEADS

Minimum head of water required in section of plumbing for water test

3

Minimum head of water, in meters, required for each section of plumbing for water test.

61 cm.

Minimum height of Dry Standpipe Outlet from the floor line

46 cm.

Minimum height of Fire Service Connection from the grade/floor

46 mm

Minimum height of Fire Service station from the grade

6"

Minimum height of a branch vent above the fixture it is venting

6" (150mm)

Minimum height of a branch vent above the fixture it is venting.

51 mm.

Minimum height of a water seal for each fixture trap.

61 cms

Minimum height of dry standpipe outlet from the floor line

3.00 mts.

Minimum horizontal distance of any VSTR from a roofdeck used for other purposes aside from protection from weather.

70 cms.

Minimum liquid depth for a septic tank.

BASE LOAD

Minimum load over a given period of time

2 HOISTWAYS

Minimum number of hoisting ropes for drum type elevators

10

Minimum number of stories served by a waste stack requiring a parallel ventstack.

4 CLOSETS

Minimum number of water closet required for female office and public buildings

4

Minimum required number of water closets for female for office and public buildings serving 55 occupants for employees.

3.00 m

Minimum service drop of connection line above the ground and from the ground

4" (102mm)

Minimum size of a standpipe for a building in which the highest outlet is 23 meters or less from the fire service connection.

4" (102mm)

Minimum size of a wet standpipe for a riser of more than 15 meters from the source.

150mm DIAMETER

Minimum size of building sewer; it should not be less than the building drain

102 mm (4")

Minimum size of standpipe for a building in which the highest outlet is 23 m or less from the Fire service Connection

3"

Minimum size of trap and waste branch for a pedestal urinal.

2"

Minimum size of trap and waste branch for a shower stall.

1 1/2"

Minimum size of trap or branch for a bidet.

1-1/2"

Minimum size of trap or branch for a bidet.

64mm or 2 1/2"

Minimum size of wet standpipe for a riser more than 15 meters from the source

64 mm (2 1/2")

Minimum size of wet standpipe for riser of more than 15 mts from source

Threshold of Audibility

Minimum sound pressure level that is capable of being detected by the human ear.

15 minutes

Minimum time, in minutes, required for water to stay in the system or pipes for a water test without any leaks to satisfy said testing.

38 mm.

Minimum trap diameter for a bathtub

38 mm. (11/2")

Minimum trap diameter for a bathtub

3500mm

Minimum vertical clearance of an overhead service drop measured from the ground, at the electrical service entrance or above areas or sidewalks accesible only to pedestrian lanes, measure from final grade line or other accesible surface only for service drop cabled together with a grounded bare messenger wire and limited to 300 volts to ground

300 mm

Minimum vertical distance from the bottom of water pipes to the top of sewer or drain pipe if laid in the same trench on top of the other.

2.10 mts.

Minimum vertical extension of VSTR from any roofdeck where it is protruded.

132 LITERS PER MINUTE

Minimum water delivery in liters per minute for an outlet of a wet standpipe at a residual pressure or 1.8 kilos per sq.mts

90 cms.

Minimum width of a septic tank.

558 mm

Minimum width of balustrade

3.5 sq.m

Minimum wire size in sq.mm type TW copper conductor in raceway for a branch circuit with20 ampere rating

5.5 mm²

Minimum wire size of THW stranded copper conductor in raceway for a branch circuit in a 30 ampere rating

REVERSE TRAP

Moderately noisy. Similar to siphon jet except that trap passageway and water surface area are smaller

A European brand of elevator

OTIS-U.S.

64mm or 2 ½"

OUTLET OF DRY STANDPIPE

64mm or 2 ½"

OUTLET OF WET STANDPIPE for riser of more than 15 mts

OUTSIDE DOOR LATCH

Opening of door for passenger in case of power failure in the elevator

UPVC DWV SANITARY

Orange or brown in color with sizes of 4" and 3 meter in lengths of pipes

Main or trunk

Other term for leader

Thermal barrier

Other term for thermal break

Excelsior

Other term for wood wool

Fresh air

Outdoor air drawn in for treatment in an air-conditioning system

Pvt. Automatic Branch Exchange

PABX or PBX means.

POLYETHELENE PIPE

PE

International Standard and EN 81.1 Code in designing a machine room

PIPING OR DUCT BELONGING TO OTHER SYSTEM SHOULD NOT RUN THROUGH THE MACHINE ROOM

GRAY

PNEUMATIC DIVISION

PE

POLYETHELENE

AIR HANDLING UNIT

Package assembly of air conditioning components which provides for the treatment of the air before it is distributed to an air conditioned space

KNOCKDOWN BY MAJOR COMPONENT PART

Packaging and assembly of elevator as it arrives on the site

INTENSITY

Perceptual characteristic of sound which is the average rate of flow of energy per unit area perpendicular to the direction of propagation

FIBER CEMENT PIPE

Pipe not used as water service pipe

POLTYBUTELENE PIPE AND FITTINGS AND FITTINGS

Pipes and fittings which can exclusively be used for cold water lines for potable main distribution water service, sprinkler and irrigation system. It could be ½", ¾", 1", 1 ½", 1 ¼" and 2"

Foamed plastic

Plastic, such as polyurethane or polystyrene, made light and cellular by the introduction of pockets of gas or air used as thermal insulation

OUTLET

Point of the wiring system at which current is taken to supply utilization equipment

Float Valve

Prevents water hammer:

BALL VALVE

Principle where a single lever valve used in kitchen sink and lavatory, they are beautiful and maintenance free

2 CHECK VALVES

Provision between any feed pump and the boiler in addition to the regular shut-off valve

OVER LOAD RELAY AND REVERSE POLARITY RELAY

Provision for all elevators

R.C CONCRETE OR MASONRY

Provision for boiler rooms inside the building

TWO SAFETY VALVE

Provision for boilers having generating capacity exceeding 907 kg/hr

TRANSFORMER VAULT

Provision for building with an expected electric load demand of 200KVA

ONE SAFETY VALVE

Provision of every boiler

STOP VALVES

Provision of installation for refrigerant system containing more than 9 kgs.

NON RETURN OR SHUT OFF VALVE

Provision when two or more boilers are connected in parallel

MONITORING CONTACTS ON STEP CHAIN

Rating index of an air conditioning system which rates the unit for the number for BTU of heat moved per watt of electrical input energy Internal electronic safety features of an escalator. They function as a safety switches or detectors which monitors internal mechanical or electrical abnormalities and shuts down the system in any eventuality

RATIO OF 1:75

Ratio of urinals for elementary schools

(1:75)

Ratio of water closets for female population for Principal Worship Places.

RATIO OF 1:25

Ratio of water closets for female population for elementary and secondary school

(1:25)

Ratio of water closets for female population for elementary and secondary school.

RATIO OF 1:75

Ratio of water closets for female population for principal worship places

RATIO OF 1:30

Ratio of water closets for male population for elementary and secondary school

(1:30)

Ratio of water closets for male population for elementary and secondary school.

Fixture

Receptacles intended to receive and discharge water, water-carried waste into a drainage system with which they are connected.

CONDUCTANCE

Reciprocal of resistance

DOWN COLLECTIVE CONTROL

Recording calls even when car is in use. It answer calls starting from the highest and so on while descending

UP COLLECTIVE CONTROL

Recording calls even when car is in use. It answer calls starting from the lowest and so on while ascending

IMPEDANCE

Resistance in AC system

Impedance

Resistance in alternating current system.

IRON

Roof drains shall not be made of __________.

VENT SIZE IS AT LEAST 1/2 THE DRAIN IT SERVES BUT NOT LESS THAN THE REQUIRED MINIMUM W/C EVER IS LARGER

Rule of thumb in sizing an individual vent

SA

SILICON ASBESTOS

Shower set for bath (drawing)

SINGLE LEVER BATH FAUCET WITH HAND SHOWER-TELEPHONE SHOWER

1 1/2"

SINKS (DISHWASHER)

2'

SINKS (HOTEL OR PUBLIC)

1 1/2"

SINKS (KITCHEN OR RESIDENCE)

1 1/4"

SINKS (SMALL PANTRY OR BAR)

2"

SLOP SINKS (ORDINARY)

3"

SLOP SINKS (WITH COMBINE TRAP)

PRESSURE RELIEF VALVE

Safety device caused by insufficient water flow on heater when brown out

GOVERNOR

Safety device of a passenger elevator which activates if the car travels faster than its rated speed by grasping the guide rail to stop the car safely

GREEN

Salt water piping

Sanitary Sewer Main

Sanitary sewage from buildings shall be discharged directly to the nearest ___.

SIPHON-JET

Sanitary, efficient very quiet. A toilet bowl into which the flushing water enters through the rim and siphonic action initiated by a water jet draws the contents of the bowl through the trapway

PURE TONE

Sound sensation in a single frequency

Pure Tone

Sound sensation in a single frequency.

Microphone

Sound system input device that reacts to and converts variable sound pressure into variable electrical current.

344 m/ sec.

Sound travels in air, at sea level, in ____ m/sec.

344 m/sec

Sound travels only about ___________m/sec.

7,380 fps

Sound with a wavelength of 1.50 m at Frequency 1,500 Hz

1.5 TIMES MORE THAN THE ELEVATOR CAR DEPTH

Spacing provided for elevator with single bank in a non residential building

Glass wool

Spun glass fibers resembling wool and used for thermal insulation and air filters

REVERSE OSMOSIS

Stage in water purification which removes mineral deposits, slats, heavy metal, totally dissolves solids while some useful minerals are retained

60 Cycles

Standard frequency of power supplied by the local power utility company like Meralco.

60 CYCLES

Standard frequency of water supply by the company like Meralco

10 ft.

Standard length of an electrical metal conduit.

10'

Standard length of an electrical metal conduit.

1 1/2" (38mm)

Standard size of a wet standpipe outlet for each floor.

1 1/2'"

Standard size of a wet standpipe outlet for each floor.

2 1/2" (64mm)

Standard size of an outlet for a dry standpipe located at each floor.

38 mm (1 1/2")

Standard size of wet standpipe outlet for each floor

No. 12

Standard size of wire for a circuit line.

No. 14

Standard size of wire for a switch line.

TONS OF REFRIGERATION

Standard unit rating to describe the capacity of the cooling tower

Luminaire

Synonymous with a lighting fixture.

PLUMBING SYSTEM

System of building which includes the water supply distribution pipes the fixture and fixture traps, the soil waste and the vent pipes, the house drain and the house sewer, the storm water drainage with their devices

CAGE

System of conductor forming an essentially continuous conducting network over the object protected and including any conductors necessary for interconnections of the object protected and an adequate ground

120/240 VOLTS

System of voltage used for computing branch circuits and feeder load

STANDARD INSTALLATION OF ESCALATOR NOT EXCEEDING 4.50 MTS./ TRUSS

THE TOP CHORD OF THE TRUSS IS WITH A STEEL ANGLE SUPERIMPOSED ON THE BUILDING'S STRUCTURAL BEAM

THHN

THERMOPLASTIC HEAT RESISTANT

TRUE

TRUE OR FALSE : The minimum depth for septic tank is 1.20m

Moisture resistant, in wet and dry location

TW in electrical wire specification means.

Moisture resistant, in wet anddry location

TW in electrical wire specification means.

SINGLE PHASE FOR POWER

The 120/240 volt winding is connected in series serving 240 volts on a two wire system, this connection is used for small industrial applications

Drainage, waste and vent

The abbreviation DWV stands for ______.

ACOUSTICAL LAY IN PANEL

The acoustical ceiling board design to be laid in an exposed grid suspension system

Return air

The air conveyed from an air-conditioned space back to the central plant for processing and recirculation

Exhaust air

The air exhausted from an interior space to the outside

Latent Heat

The amount of heat which is absorbed or evolved in changing the state of a substance without changing its temperature.

Switch

The basic elements of an electric circuit are the following except ____

Refraction

The bending of sound wave when traveling forward changes direction as it passes through different densities.

PD 856

The complete PD No. of CODE OF SANITATION OF THE PHILIPPINES.

Evaporator

The component of a refrigeration system in which the refrigerant absorbs that from a cooling medium and changes from a liquid to gas

Water Hammer

The concussion and banging noise that results when a volume of water moving in a pipe suddenly stops or loses momentum.

Supply air

The conditioned air delivered by air-conditioning system to the served spaces

Primary air

The conditioned air supplied at supplied at a high pressure and high velocity by a central air handling unit

RECTIFIER

The conversion of alternating current (AC) to direct current (DC)

Ton of refrigeration

The cooling effect obtained when 1 ton of ice at 0°C (32°F) melts to water at the same temperature in 24 hours, equivalent to 12,000 Btu/hr. (3.5kW)

Ton of Refrigeration

The cooling effect obtained when 1 ton of ice at 32 oF (0 C) melts to water at the same tmeperature in 24 hrs. (equivalent to 12,000 Btu/hr)

TRAVEL TIME

The criteria in the selection of an elevator other than interval and average waiting time

DRAUGHT OR DRAFT

The current of air or gases

SHOCK RELIEF AND EXPANSION CHAMBER

The device being used to eliminate the noise cause by water hammer

SAFETY SHOE

The elevator door components that detect the obstacle during the door closing and re opens the door

CLEANOUTS

The house drain should be provided with adequate number of

WITHIN THE BUILDING WALLS

The inside roof leader is installed ___________

6"

The minimum horizontal clearance of vent branch immediately above the flood level rim of the fixture

1 per 30

The minimum number of a urinal fixture required for the male population of both elementary and secondary school:

1 per 35

The minimum number of water closet unit required for the female population of an elementary school:

2"dia

The minimum size of a swimming pool drain:

2" dia.

The minimum size of a trap and waste branch for a shower stall:

2" dia.

The minimum size of trap and waste branch for a bidet:

1 1/2"

The minimum size or trap of a bidet

2" dia.

The minimum sized of a trap and waste branch for a pedestal urinal:

2" dia.

The minimum sized of a trap and waste branch for a size of foot bath:

1/16 in./ft.

The minimum slope of a building drain:

1.20m

The minimum width of door in hospital housing unit

COPPER WIRE

The most practical conductor of electricity

Frequency

The number of cycles per unit time of a wave or oscillations expressed in hertz of cycles per second.

SERVICE DROP

The overhead service conductor from the last pole or other aerial support to and including the splices, if any connecting to te service entrance conductors at the building

Service Drop

The overhead service conductors from the last pole or other aerial support to and including splices, if any, connecting to the service entrance conductors at the building.

REFRACTION

The physical behavior of sound when travelling forward in a straight path changes in direction as it passes through different densities and causes the sound waves to bend

black

The prescribe color coding of piping under refrigerating division of all pipes and fittings:

DRY STANDPIPE

The presence of Fire Service Connection

Y-Y FOR LIGHTING AND POWER

The primary voltage was increased from 2400 to 4160 volts to increase the potential capacity of the system

MAIN VENT

The principal artery of the venting system to which vent branches may be connected

SOUND ABSORPTION

The process of dissipating sound energy by converting it to heat

Sound Absorption

The process of dissipating sound energy by converting it to heat.

British thermal unit

The quantity of heat required to raise the temperature of temperature of one pound (0.4kg) of water 1°F

SERVICE RACEWAY

The raceway that encloses the service entrance conductors

Luminous Flux

The rate of flow of light through a surface.

Sound Intensity

The rate of flow of sound energy

catch basin

The receptacle in which liquid is retained for deposition of sediment is called?

Resistance

The reciprocal of conductance.

2%

The recommended slope for the house drain.

90-120fpm

The recommended speed for escalators ranges from____.

Sound Attenuation

The reduction in the intensity or in the sound pressure level of sound which is transmitted from one point to another.

Crown weir to bottom dip

The reference in measuring the depth of a trap seal of the trap:

SOUND INSULATION

The system of deadening sound materials to wall, ceiling, floors to prevent sound from passing through the members into adjoining room

ARC VOLTAGE

The voltage across the welding arc

TRAP OR WATER SEAL

The water column that seals the escape of unhealthy gases in the sanitary drainage system

total number of auditorium seat

Theater or movie house's water requirement is determined or estimated at 5 galloons of water per day :

Reflective insulation

Thermal insulation in the form of a material of high reflectivity and low emissivity, such as paper-backed aluminum foil or foil-backed gypsum board, used in conjunction with a dead air-space to reduce the transfer of heat by radiation

Loose-fill insulation

Thermal insulation in the form of mineral wool fibers, granular vermiculite or perlite, or treated cellulosic fibers, poured by hand or blown through a nozzle into a cavity or over supporting membrane

soil stack

These are vertical pipes which receive discharge from water closets.

BUGLARS AND PROWLERS

They were deter to the intrusion alarm system in residential signal system

Rigid Board Insulation

Thin sheets that are used for controlling heat in drywall construction.

ANAEROBIC BACTERIA

This bacteria functions in absence of free oxygen.

Y DELTA FOR LIGHTING AND POWER

This connection is similar to the delta-delta bank with only the primary connection changed The primary neutral should not be grounded or tied into the system neutral, since a single phase ground fault may result in extensive blowing of fuses throughout the system This connection requires special watt-hour metering

OPEN DELTA FOR LIGHTING AND POWER

This connection is used when single phase lighting load is large as compared with the power load

SINGLE PHASE TO SUPPLY 120/240 3-WIRE LIGHTING AND POWER LOAD

This connections is used in most urban distribution circuits

SINGLE PHASE TO SUPPLY 120 V LIGHTING LOAD

This connetions is used where the load is comparatively small and the length of the secondary circuit is short

Creep

This describe the reflection of sound along a curved surface near the surface

Mechanical

This device, in escalators, is provided at the drive unit location to protect against accidental movement of the escalator during inspection of the drives or during general maintenance.

Current Overload Safety Switch

This device, in escalators, stops the escalator automatically if an abnormal current is supplied to the motor.

12 to 14 SQ.MT PER TON OF REFRIGERATION

This is a guide for the initial estimate per Ton of Refrigeration per sq.mts. of a standard room of normal condition without external solar heat gain and excessive internal heat gain

TRAVEL TIME

This is the criteria in selection of an elevator other than interval and average waiting time

DELTA-DELTA FOR POWER AND LIGHTING

This is used to supply a single phase lighting load and three phase power load simultaneously

TOWER OR PLATFORM

This is where an electric service conductor can be installed

5.5 sqmm

Type THW stranded copper conductor in a raceway.

FREIGHT ELEVATOR

Type of conveyor that transport packages equipment crates

ADJUSTABLE LOCKING DAMPERS

Type of dampers installed at supply ducts, which are electro-mechanically activated by building automation system to close in case of fire within the area

hydraulic elevator

Type of elevator that is raised or lowered quite simply by means of movable rod or plunger?

ARMOR CABLE TYPE ACL

Type of flexible cable which is a fabricated assembly of insulated conductors which permit its use at exposed weather or excessive moisture

General Lighting

Type of lighting dealing with relatively large area lighting.

Polyethylene

Type of plastic pipe other than polyvinyl chloride and polybutylene.

UF

Underground Feeder, 60-75 degrees C

USE

Underground Service Entrance / 75degrees

SABINS

Unit of acoustic absorption equivalent ot absorption by one square root of a perfect absorber

Farad

Unit of capacitance is _____.

HERTZ

Unit of frequency equal to one cycle per seconds

HERTZ

Unit of frequency which is equal to one cycle per second

LUX

Unit of illmination equal to one lumen per square meter

FOOT CANDLE

Unit of illumination equal to one square foot

FOOTCANDLE

Unit of illumination when the foot is taken as the unit of length. It is the illumination on a surface one square foot in area in which there is uniformly distributed flux of one lumen

Phon

Unit of loudness level.

PHON

Unit of loudness of level

LAMBERT

Unit of luminance equal to 1 candela per square meter

LUMEN

Unit of luminous flux

Watt

Unit of power

Sabin

Unit of sound absorption equivalent to 1 square foot of perfectly absorptive material.

CABLE TRAYS

Unit or assembly of unit sections and associated fittings forming a rigid structural system used to support cables

CIRCUIT VENT

Vertical vent pipes take in front of the last fixture and connects to its soil stack which acts as a vent

Siphon Vortex (SV)

Water closet that is quiet, extremely sanitary, water is directed through the rim. It scours bowl, folds over into jet; siphon.

Upfeed System / Direct Method

Water distribution system which constantly rely its pressure from the main water pipe applied only if the highest fixture is supplied continuously with the flow rate and minimum required working pressure.

diffuser

What is a surface, material, device, or object that scatters light or sound from a source?

appliances

What is a utilization equipment which is generally industrial built in?

freon

What is also known as a synthetic chemical refrigerant?

rheostat

What is an electric device having a resistance which can be adjusted?

flux

What is an electromagnetic force flowing between the positive and negative terminals?

ACT 2152

What is the act for Water Quality Management?

magnitude

What is the amount of sound energy produced by the source?

wavelength

What is the distance between two similar points in succession waves traveling in one cycle?

6000mm to 7600mm

What is the maximum horizontal range between two or more air terminal for lightning arrest for an effective disaster prevention in building

BIOCHEMICAL OXYGEN DEMAND

What is the meaning of BOD?

BRASS PIPE

What is the most expensive type of all pipes?

reverberation

What is the persistence of sound after the source of sound has stopped?

Energy Efficiency Rating (EER)

What is the rating index of an air-conditioning/refrigeration system which rates the unit for the number of BTU's of heat removed per watt of electrical input energy?

sound foci

What is the reflected sound that gathers in a central portion of the room?

Dichlorodifluormethane

What is the refrigerant name of R-12?

psycho acoustics

What is the study of reactions of humans to audible sound?

coulomb

What is the unit for quantity of electricity?

Fan Coil Unit

What mechanical equipment, coupled with a central air-conditioning system, is used to to dehumidify and cool the air stream injected to a conditioned space.

FIXTURES

What plumbing material receives water-bourn wastes?

APPURTENANCE

What type of plumbing material is a soap dispenser?

Porous Absorbents

What type of sound absorbent is best for lower band frequencies.

Y-Y AUTO TRANSFORMER

When the ratio of transformation from the primary to secondary voltage is small, the most economical way of stepping down the voltage

(1:5)

Where there is exposure to skin contamination due to poisonous materials, what is the ratio of lavatory to number of occupants.

MAN

____________ is a part of ecosystem and is the major contributor to pollution of the environment.

CAST IRON PIPES

____________ is used for city water pipes.

VACUUM BREAKER orBACKFLOW PREVENTER

_____________ is used to prevent back siphonage.

AQUIFER

________________ is water bearing stratum.

escutcheon

a flange used on a pipe to cover a hole

sludge

accumulated or settled solid waste

plenum

an air compartment or chamber

velocity -

at speed of sound normal temperature and pressure

back siphonage

backflow due to negative pressure

utility box

box used for maintaining light control devices

entrance cap

cap that receives the service drop

Live room

characterized by very small amounts of absorption

EMERGENCY SWITCH

designated end of travel course

capacitor

device for storing electric energy

illumeter

device that indicates light intensity in Footcandle

relay

device to control the thermostat

hunidifier

device used only to add humidity in the air

ammeter

device used to measure rate of flow of electricity

rectifier

device used to transform AC to DC

Dampers

device used to vary the volume of air passing a duct

voltage

electromotive force

spigot

end of a pipe that fits into a bell

ammonia

gas used as refrigerant with water

fumigant

gas, fume or vapor used for the destruction or control of insects

Conduction

heat is transferred through materials

ohmmeter

instrument used to measure the resistance of a conductor

GRAVITATIONAL FLOW METHOD

is the most satisfactory means of water distribution.

thermostat

it is a device to control the temperature.

effluent

liquid which is discharged as a waste

dip

lowest portion of a trap

ESCALATOR'S PART

main drive chain, step chain, handrail, drive chain, bottom sprocket

insulator

materials that resist the flow of electric current

Heat Detector

metal that expands when exposed to heat to detect a fire.

dead room

one characterized by large amounts of absorption

drain pipe

pipe for wastewater

disinfections

process of injecting chlorine gas into the water

frequency -

rate of repetition of a periodic phenomenon

Watt

rate or measure of power used or consumed

septic tank

receptacle for organic discharge

and Vent system

sized to provide free movement of air above the flow line of the drain.

HEAT DETECTOR

solders or metals that expand when exposed to heat to detect a fire, 135deg-197deg F

resonance

state existing in a system which is set into oscillation

hoistropes -

steel wires used to compensate cars and counterweights

governor

stops car and grips counterweight in case of emergency

environmental acoustics -

study of effects on environment upon audible sound

electro acoustics

study of sound generated by equipment

candela

unit of candlepower

volts

unit of electromotive force

decibel

unit of loudness of sound

ohm

unit of resistance

Noise

unpleasant or unwanted sound

soil stack

vertical pipes which receive discharge from water closets

jet,jack,reciprocating

water of high pressure is pump into the well to draw water upwards through the return pipe

Current

It is analogous to pressure in water flow.

Pre requisite in use of split knob and tube wiring

A CLEARANCE OF NOT LESS THAN 76mm SHALL BE MAINTAINED BETWEEN CONDUCTORS AND NOT LESS THAN 26mm

AIR TRAP

A U-shaped pipe filled with water and located beneath the plumbing fixtures to form a seal against the passages of gases and odors

Full bath

A bathroom containing a water closet, a lavatory, and a bathtub.

CIRCUIT BREAKER

A device design to open under abnormal conditions a current carrying circuit without injury itself

Chiller

A device employing the compressive refrigeration cycle to chill the water used in cooling a building

Boot

A duct fitting forming a transition between two sections that vary in cross-sectional shape

Cold-air return

A duct for conveying cool air back to a furnace for reheating

Leader

A duct for conveying warm air from a furnace to stack or branch duct

High-velocity duct

A small duct capable of conveying primary air at a velocity of 730 meters (2,400 ft) per minute or higher

Combination Waste

A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common waste and vent pipe adequately

conveyor

A system for transporting materials from one site to another, especially in a factory

SEPTIC TANK

A watertight container of sewage.

CONDUCTOR

A wire or combination of wires not insulated from one another suitable for carrying electric current

SIAMESE CONNECTIONS

A wye connections used on fire lines so that two lines of hose maybe connected to the hydrant or to the same nozzle

Wires

Cables are conductors that are larger than ___?

Bends

All Changes in direction shall be made by the appropriate use of 45 deg.

¼ INCH PER FOOT

All storm drains should be graded at least

SINGLE PHASE ALTERNATING CURRENT

Alternating current generated by the alternator where its wave rises to the peak, sinks to zero, drops to the negative peak and rises again to zero a number of times each second depending on the frequency for which the machine is designed

TWO PHASE ALTERNATING CURRENT

Alternating current where the alternator comprises of windings mounted at right angles to each other and provided with separate external connections current waves will be produced and each of which will be at its maximum when the other is zero

45 amperes

Ampacity of an insulated copper conductor, based on ambient temperature of 30 degreesw/a 8.0 sq.m cross sectional area in size for THW

15 amperes

Ampacity of an insulated copper conductor, based on ambient temperature of 30degrees w/a 2.0 sq.m cross sectional area in size for TW

85 amperes

Ampacity of an insulated copper conductor, based on ambient temperature of 30degrees w/a 22 sq.m cross sectional area in size for USE

Privy

An outhouse or structure used for the deposition of excrement

Privy

An outhouse or structure used for the deposition of excrement.

FUSE

An overcurrent protective device with a circuit opening fusible member which is heated and severed by the passage of the overcurrent through it

CATCH BASIN

An underground structure for drainage into which water from the roof or floor will drain through sewer

CISTERN

An underground tank reservoir to store water

Dead air-space

An unventilated air space in which the air does not circulate

OVERHEAD STORM DRAIN

Another classification of storm drain, besides from inside drain and outside drain

RACEWAY

Any channel for holding wires, cables or busbars

Air conditioner

Any device or apparatus for controlling, especially lowering, the temperature and humidity of a space

Sewage

Any liquid waste containing animal or vegetable matter in suspension or solution.

Thermal unit

Any of various devices for delivering a heating or cooling medium to a space

Mechanical equipment room

Any room containing permanently installed machinery and equipment for the mechanical system of a building

Mineral wool

Any various lightweight, inorganic, fibrous materials used especially for thermal and sound insulation, such as glass wool and rock wool

nipple

Apiece of pipe threaded outside all through out to connect short runs of two pipe fittings:

BUSWAYS

Approved assembly of insulated conductors with fitting and conductor terminations in a completely enclosed, ventilated protective metal housing where the system is design to carry fault current and to withstand the magnetic forces of such current

BUSWAY

Approved assembly of insulated conductors with fitting and conductor terminations in a completely enclosed, ventilated protective metal housing where the system is design to carry fault current and to withstand the magnetic forces of the current

governor

Are fastened to car frame and counterweight at top and bottom.

PILOT WIRE

Auxillary conductor used in connection with remote measuring devices for operating apparatus at a distant point

WATER TABLE

Level of subterrenean water

1 1/2"

BATH FOOT

2"

BATH SHOWER STALL

1 1/2"

BATH SITZ

1 1/2"

BATH TUB

1 1/2"

BIDETS

PVC IS ALLOWED FOR AS LONG AS BOTH BURIAL DEPTH OF NO LESS 460mm AND CONCRETE ENCASEMENT IS PROVIDED

Best suited for Rigid Nonmetallic Conduit like PVC for underground installation in buildings

Ionization

Bets type of fire detection that can detect fire during the incipient stage.

Gas Pipe

Black steel pipe with galvanized malleable fitting is ideal for:

PULLBOX

Box with a blank cover which is inserted in one or more runs of raceway to facilitate pulling in the conductors and the distributing of the conductors

Intelligent Building

Building with fire alarm and suppression system.

PEAK LOAD

Maximum load consumed by a unit in a stated period of time

8%

Minimum lead content in percent for pipes and fittings safe for humans.

CAST IRON SOIL PIPE INSTITUTE

CISPI stands for:

1 1/2"

COMBINATION FIXTURE

SUBMARINE CABLE

Cable designed for service under water

ARMORED CABLE

Cable provided in wrapping of metal usually steel wires or tapes, primarily for the purpose of mechanical protection

600mm

Car pit clearance depth from the bottom of the car

LIQUID

Catch basin is a receptacle in which _________ are retained for a sufficient period of time to allow settle able material to deposit

Foam glass

Cellular glass made by foaming softened glass and molding it into boards or blocks for use as thermal insulation

Rigid and Flexible

Classifications of copper pipes.

TRUE

Cleanouts may be omitted on a horizontal drain less than 1.5 meters in length unless such line is serving sinks or urinals, true or false.

Carbon Monoxide

Component of fire extinguisher.

1.50 mts.

Minimum length of a septic tank.

FAN COIL UNIT

Coupled with central air conditioning system, used to dehumidify and cool the air stream injected into the conditioned space

Curve surface

Creep is the phenomenon whereby sound travels in a ______.

Cross Light

Light originating from sources not facing each other, as from windows in adjacent walls.

4.60 mts.

Minimum length of any branch requiring separate venting.

3 HOISTWAYS

Minimum number of hoisting ropes for traction elevators

5.00 mts

Distance of the smokestacks above the building within 50 mts. radius

Wavelength

Distance sound travels during each cycle of vibration.

WAVELENGTH

Distance sounds travels during each cycles of vibration

Outside Door Latch

During elevator emergency, to rescue passengers, this part of the elevator is used to open the doors from the outside.

1.50 mts.

Minimum length of the secondary compartment of a septic tank with a capacity of more than 6 cubic meters.

4"

Dry standpipe for a riser below 23m

6"

Dry standpipe for a riser more than 23m

1220 mm

Dumbwaiters total inside height shall not exceed ____

OUTSIDE DOOR LATCH

During elevator emergency to rescue passenger, this type of elevator is used to open the door from the outside

ROSETTE

Enclosure of porcelain or other insulating material fitted with terminals and intended for connecting the flexible cord carrying a pendent to permanent wiring

2"

FLOOR DRAIN

1 1/4"

FOUNTAIN CUPSIDERS

60˚

Equivalent of 1/6 bend in degrees.

Concealed knob and tube Open wiring on insulators

Example/s of conductors-on-insulator wiring is are:

THREE FIXTURES

Exception of fixture to be connected into a single trap

BUFF

Exhaust Fan

Circuit Breaker

In elevator, it protects the equipment from over current.

POWER AND CONTROL TRAY CABLE TYPE

Factory assembled of two or more insulated conductors w/ or w/o associated bare cover ground conductor under a non metallic sheath approved forr installation in cable trays, in raceways or in supported by a messenger wire

Capacitor

Farad is the unit capacity of a ___.

Heat

Freon in air-con must be compressed and liquefied in order to absorb ___.

BLUE

Fresh Water, high pressure

BLUE

Fresh Water, low pressure

60 cms.

Minimum liquid depth for a septic tank.

counter weight

Gives stability to governor ropes.

12 TO 14 SQ.MTR/TR

Guide for initial estimate of Ton of refrigeration

FLAT CABLE ASSEMBLY (FC)

Is an assembly of parallel conductors formed integrally with insulating material web designed especially for field installation in metal surface or raceways

Diffuser

Having a slats at different angles for deflecting warm or conditioned air from an outlet in various direction

RUH

Heat Resistant Latex Rubber

RH

Heat Resistant Rubber / 75 degrees

RH

Heat Resitant Rubber

RHW

Heat and Moisture Resistant Rubber

THWN

Heat and Moisture Resistant Thermoplstic with Nylon

135-197 F

Heat rating for a fixed temperature heat detector

135-197˚F

Heat rating for a fixed temperature heat detector.

Sensible Heat

Heat that raises air temperature.

3

How many days, at least, shall be given before any plumbing work inspection is done after written notice for inspection.

SOIL PIPE

Is any pipe which conveys the discharge of water closets of fixture having similar function w/ or w/o the discharge of other fixtures to the building drain

SCOTT CONNECTED 2PHASE TO 3PHASE

If it should be necessary to supply three phase power from a two phase system, the special tap must be provided on the secondary side

BUFFER

Important element of an elevator below the first level floor line that absorbs and minimize building shocks to the car

Plumbum

In Latin, it means 'lead'.

BALANCE LOADING

In a 240V, a three phase 3-wire service, branch cicuits are loaded and distributed to each of the three phase with this objective to attain

Air Terminal

In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part of a structure.

Direct Current

In an electric circuit, a current that flows in one direction only

Limit Controls and Interlocks

In boilers, they function only when exceeds prescribed unsafe operating conditions.

pent house

In electric elevator machine room is located at the

1 lumen per sq.m.

In lighting and illumination calculation, what is the unit for lux?

Crown weir

In plumbing the vent pipe which is connected to the crown

Counterweight

In theater stage house, a weight usually of iron or sand used to balance suspended scenery, or the like.

UPFEED OR DIRECT METHOD

In water distributon system which constantly rely its pressure from the main water pipe apply only if the main fixture is supply continously with the flow rate and minimum required working pressure

DRAINAGE SYSTEM

Includes all piping within public or private which conveys sewage, rain water or often liquid waste to a legal point of disposal but does not include the main of a public sewer system or private or or public sewerage treatment

PLUMBING SYSTEM

Includes water supply and distribution pipe; plumbing fixture and traps, soil waste and vent pipes; house drain and house sewers including their respective connections

WATER RESERVOIR

Install to be able to meet the water requirements during peak demands from a low yielding water well

ROUGH IN

Installation of all parts of the plumbing system which can be completed prior to the installation of fixtures

Barometer

Instrument used for measuring atmospheric pressure.

NON METALLIC SHEATED CABLE (NM)

Is a also a factory assembly of two or more insulated conductors having a moisture resistant, flame retardant and non metallic material outer sheath. This type is used specifically for one or two family dwellings not exceeding 3 storey building

buffer

Is a device to absorb the impact of car or counterweight at the lower limit of travel?

CAULKING

Is plugging an opening with oakum, lead or other materials

Air-conditioning

Is the achievement of a temperature below that of the immediate surroundings.

BACK SIPHONAGE

Is the backflow of used, contaminated or polluted water from a plumbing fixture due to negative pressure

DEAD END

Is the extended portion of a pipe that is closed at one end to which no connections are made on the extended portion

BACKFLOW

Is the flow of water or other liquids, mixtures or substances into the distributing pipes of a supply of water from any source other than its intended source

INVERT

Is the lowest portion of the inside of any pipe or conduit that is not vertical

TRAP SEAL

Is the maximum vertical depth of liquid that a trap will retain measure between the crown weir and the top of the dip of the trap

LINE TAP

Is the radial branch connection to a main line

LOAD FACTOR

Is the ratio of the average load over a designated period of time to the peak load occuring in that period

DEMAND FACTOR

Is the ratio of the maximum demand of the system or part of the system to the total connected load of the system

Conduction

It is the flow of heat through a material by transfer from warmer to cooler molecules in contact with each other.

40 db

It is the limit for comfortable hearing.

decibel

It is the measurement of the intensity of sound.

GALVANIZED PIPING

It should not be used for steam

1 ½"

KITCHEN SINK TRAP SIZE

TEMPERED TYPE GLASS

Kind of glass required in an escalator's balustrade

1 1/2"

LAUNDRY TRAYS

1 ¼"

LAVATORY TRAP OR BRANCH SIZE

ASBESTOS PIPE

Least popular and not recommended use as potable water distribution pipe

Developed Length

Length along the centerline of the pipe and fitting.

artesian well

Level 3 types of water service refers to:

WASTE PIPE

Liquid only, fixtures other than WC

Effluent

Liquid sewage that has been treated in a septic tank or sewage treatment plant.

AT THE ESCALATOR MACHINE ROOM

Location of Control System or computer brain of the escalator

EVAPORATORS CANNOT BE LOCATED AT CEILING

Major physical restriction does a split type air conditioner system have which restricts its efficiency and performance

24 AMPERE

Maximum allowed ampere rating of one chord or plug utilization equipment connected in a 30 ampere branch circuit for lighting or utilization equipment

FAN COIL UNIT

Mechanical equipment coupled with a central air conditioning system used to dehumidify and cool the airstream injected to the conditioned space

AIR CURTAIN

Mechanical equipment install on top of the main doors used to retain cold in the interiors

NON FERROUS METAL

Metal containing no iron such as copper, brass and aluminum

TW

Moisture Resistant Thermoplastic / 60 degrees

TW

Moisture Temperature Resistant

XHHW

Moisture and Heat Resistant Cross Link Polymer

THW

Moisture and Heat Resistant Thermoplastic

THW

Moisture and Heat Resistant Thermoplastic used for dry and wet locations

NATIONAL PLUMBING CODE OF THE PHILS.

NPCP refers to:

19.05mm or 3/4"

No building supply pipe shall be less than WHAT size in diameter

1 meter

No part of the boiler shall be closer to this from the wall

BLOW OUT

Noisy but highly efficient. Strong jet into leg forces contents out

1150;1100;1000;900

Nominal size of an escalator; escalator's step like those in Japanese brand

1120;980;800;760

Nominal size of an escalator; escalator's width like those in Japanese brand

SLOPE OF THE DRAIN PIPE

Not needed in sizing the vent pipe for individual branch and circuit vent based on the total linear footage of the pipe making up the vent?

15 DAYS

Notification in writing in advance for boiler's inspection

Transmission Loss

Of a partition, the number of decibels by which sound is reduced in transmission through it; a measure of the sound insulation value of the partition, the higher the number, the greater the insulation value.

Y DELTA FOR POWER

Often it is desirable to increase the voltage of a circuit form a 2400 to 4160 volts to increase its potential capacity

BRASS OR BRONZE

Oil Delivery

YELLOW

Oil Discharge

Blackout Switch

On a theatre stage, a master switch that distinguishes all stage lights simultaneously.

Winding-Drum Machine

On elevators, a gear-driven machine having a drum to which the wire ropes that hoist the car are fastened, and on which they wind.

Teflon

One of the earlier plastic to be developed in 1938, a du pont trade name for the white, soft, waxy, and non-adhesive polymer of tetrafluoroethylene.

water (potability)

One of the first steps in the selection of a suitable water supply source is:

AIR SWITCH

One with contacts that separate in air

GOOSENECK

Original name of P-Trap

Plenum

Other term for bonnet

Air duct

Other term for duct

Ducting

Other term for ductwork

Expanded plastic

Other term for foamed plastic, or plastic foam

Outside air

Other term for fresh air

AUTOMATED RETRACTABLE PILLAR SYSTEM

Parking management system for two types of vehicular deterrent either articulated arm type or straight beam type. It can be activated by means of radio frequency remote control, push push button switch, photocell, magnetic loop or acces control

TELEPHONE TERMINAL CABINET

Part of the facility which accept the house cable riser and house the terminal block at each floor and at the highest or end of a feeder riser cable

ZEOLITE

Passing on it can treat hardwater

BALL

Single level valve used in kichen sink, lavatory faucets or at shower valve

CONCRETE CASING

Protection of PVC pipe underground

LIGHTNING ARRESTER

Protective device for limitting surge voltage on equipment by discharging or by-passing surge current

SIPHON-VORTEX

Quiet, extermely sanitary. Like the siphon jet but having the flushing water directed through the rim to create a vortex that scours the bowl

BLACK

REFRIGERATING DIVISION

SOIL, WASTE AND VENT PIPE

Rainwater piping should not be used as:

LUMINOUS FLUX

Rate of flow of light through a surface

SOUND INTENSITY

Rate of flow of sound energy

SEASONAL ENERGY EFFICIENCY

Rating index of an air conditioning system which rate the number for the unit of BTU heat moved per watt of electrical input energy

RATIO OF 1:5

Ratio of lavatory to number of occupants

(1:75)

Ratio of urinals for elementary school.

Top Dip to Crown Weir

Reference in measuring the depth of a trap seal of a trap.

BATTERY OF FIXTURE

Refers to any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch

CREEP

Reflection of sound from curve surface

5.500 mm

Required minimum vertical clearance of an overhead service drop measured from the ground over residential and comercial properties and driveways not subjected to truck traffic and over 600 volts to ground

1

Required number of urinals for an auditorium serving 10-50.

4

Required number of water closets for females for a theater serving 51-100.

3

Required number of water closets for females for an auditorium serving 16-35.

2

Required number of water closets for males for an auditorium serving 16-35.

4 STOREY

Requirement for a dry standpipe

68-74 ˚F

The effective room temperature in air-conditioning.

DUAL VENT

See common vent

2.50 M

Service drop conductor clearance over the roof

4 ELEVATORS

Shalll be located in any one hoistway

2 PERCENT

Slope of house sewer connected from the building to the main sewer

68-74 ˚F /20-23 deg C

The effective room temperature in air-conditioning.

3/8"

Supply valve tank type for water closet

PRESSURE COCK

Tap used in high pressure water system with an interval valve to control the flow of water

68deg-74deg F

Temperature and humidity of the air to be used for comfortable cooling

Battery of Fixtures

Term applied to the interconnection of the same fixtures in one soil or waste branch with one branch vent.

TAIL PIECE or DEAD END

Term used for pipe extension of not more than 2 feet in length install in any stack or branch of a plumbing rough in for the purpose of future trap

WATER SERVICE PIPE

Term used to main water pipe delivering portable water to a building

BRANCH CIRCUIT

That portion of a wiring system extending beyond the final overcurrent device protecting the current

PIT

That portion of the hoistway in the elevator extending from the threshold level of the lowest landing floor of the hoistway

50 GALS.

The average consumption of water per capita

Spring Line

The centerline of pipe.

FEEDERS

The circuit conductors between the service equipment or the generator switchboard of an isolated plant and the branch circuit overcurrent device

HUMIDIFIER

The device for maintaining desirable humidity conditons in the air supplied

INSTALL ABSORBENT MATERIALS WITHIN THE WALL OF THE ENCLOSURE

The effective method can be employed to reduce direct noise, which is transmitted airborne, for noise reduction within a space

FIXTURE

What type of plumbing material is a water closet?

DEVELOPED LENGTH

The length along the center of the pipe and fitting

Developed Length

The length of a pipeline measured along the centerline of the pipe and pipe fittings.

50 FEET OR MORE

The location of water well to nearest septic vault

Invert

The lowest portion of the inside of any pipe or condult that is not vertical

ILLUMINATION

The luminous flux density incident on a surface

Candlepower

The luminous intensity of a light source, expressed in candelas.

Luminance

The luminous intensity of any surface in a given direction per unit of projected area.

Candela

The luminous intensity of light is expressed in ___.

DISTRIBUTION LINE

The main feed line of an electrical circuit to which branch circuits are connected

GOVERNMENT

The main sewer is financed and maintained by ____________.

Tungsten

The material used for filament in an incandescent bulb.

6 FEET

The maximum horizontal developed length between the trap seal and the vertical vent inlet at the trap

2.50m

The minimum allowance clearance from the highest point of the roof to the service drop conductor from NBC

15 m.

The minimum distance (in meters) of a well from a septic tank.

2 mts.

The minimum face to face distance between elevators in three and four car grouping.

Infra Red

The other type of flame detector other than the ultraviolet type.

OUTSIDE WALL OF THE BUILDING

The outside roof leader is located on the _____

SERVICE DROP

The overhead service conductor from the last pole or other aerial support to and including splices if any connecting to the service entrance conductors at the building

Threshold of hearing

The rustling of leaves in breeze is said to be within the ____.

Telecommunication System

The simplest type of building automation system.

DELTA Y FOR LIGHTING AND POWER

The single phase lighting load is all on one phase resulting in unblanced primary currents in any one bank

APPLIANCE

What type of plumbing material is a water heater?

WATER TABLE WELL & ARTESIAN WELL

There are two types of well____________ & ____________.

Foamed-in-place insulation

Thermal insulation in the form of a foamed plastic, such as polyurethane, that is sprayed or injected into cavity where it adheres to the surrounding surfaces

T

Thermoplastic

SHIELDED NON METALLIC SHEATED CABLE (SNM)

This type of cable is factory assembly of two or more insulated conductors in an extruded core of moisture resistant and flame retardant material covered within an overlapping spiral metal tape. This type is used in hazardous locations and in cable trays or in raceways

COMBINED DRAIN

This type of drain is now considered obsolete and not advisable.

Proximity / Capacitance

This type of perimeter detector detects a change in capacitance of the area covered, caused by intrusion.

Passive Infrared with

This type of perimeter detector uses both the Passive infrared and Ultrasonic or

Washdown (WD)

This type of water closet is prohibited by some health codes.

Reverse Trap (RT)

This type of water closet is similar to that of the siphon-jet except that it has a smaller trap passageway and smaller water surface area, moderately noisy.

STEP DOWN TRANSFORMER

To bring down voltage

Weatherize

To make a house or building secure against cold or stormy weather, as by adding thermal insulation or storm windows, or by sealing joints

AUTOMATIC TRANSFER SWITCH

Transferring the power load from the building circuitry to standby generator or during brownout

Zeolite

Treats hard water.

TRUE

True or false, 1 3/4" diameter is 'not' a commercial size of G.I. Pipe for water supply.

FALSE

True or false, 3" diameter is 'not' a commercial size of G.I. Pipe for water supply.

TRUE

True or false, 60˚ branches or offsets may be used only when installed in a true vertical position.

TRUE

True or false, brass and cast iron body cleanouts shall not be used as a reducer or adapter.

TRUE

True or false, no galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least 15 cms above ground.

TRUE

True or false, number of fixture unit is one parameter in sizing a drainage pipe.

SINGLE POLE SWITCH AT START,

Two lights in a long hallway connected in parallel are to be controlled simultaneously at

SINGLE POLE SWITCH AT START, 3-WAY SWITCH AT MIDPOINT AND SINGLE POINT SWITCH AT END

Two lights in a long hallway connected in parallel are to be controlled simultaneously at three points

Electric and Hydraulic

Two types of passenger elevator.

Indirect Lighting

Type of lighting system where 90-100% of light output is directed to the ceiling and upper walls of the room.

600 mm

Under NBC, the clearance between the underside of the car and the bottom of the pit shall not be less than ___.

38 Meters/Min

Under NBC, the maximum rated speed of an escalator along the angle of travel.

30 mm

Under NBC, the minimum diameter of hoisting and counterweight rope.

558 mm

Under NBC, the minimum width between balusters in an escalator.

UF

Underground Feeder

2" WYE AND 2 x 1/8 BEND COMBINATION

Use to accept the P-trap assembly of the lavatory

UNION

Used to connect the two ends of two pipes, neither of which can be turned

PIPE LINES

Used to supply or remove water from a building.

IONIZATION SMOKE HEAT

Uses the interruption of small current flow between electrodes by smoke in ionized sampling

Air curtain

Vertical flow of air used to separate different functions of spaces.

GUIDE RAILS

Vertical tracks that serves as a guide for the car and the counterweight

Guiderails

Vertical tracks that serves as a guide for the car and the counterweight.

EXPANDED POLYTHELYNE FOAM INSULATION

Vital part of Solar Water heater to keep the heat in and cold out

1 1/4"

WASH BASIN (LAVATORIES)

3"

WATER CLOSETS

51mm or 2"

Wet standpipe for a riser not more than 15m

64mm or 2 1/2"

Wet standpipe for riser more than 15m

* RAINWATER* GROUNDWATER* SURFACE WATER

What are the 3 main sources of water supply?

Wye and 1/8 Bend

What combination of pipe fittings is installed at the base of a soil stack?

vent stack

What do you call a vertical pipe installed primarily for the purpose of providing circulation of air to and from any part of the drainage system?

a. It can act as a switch b. Its position can be easily detected (close/open) c. It can be used again after fault has been corrected d. All of these

What is / are the advantage/s of a circuit breaker over a fuse?

boiler

What is a closed vessel in which liquid is heated or vaporized?

coil

What is a cooling or heating element which is made of pipe or tubing?

greenfield

What is a flexible armored conduit used to encase electrical wiring?

flutter

What is a repetitious reflective sound due to parallel walls?

FOR REPAIR AND INSPECTION

When machine room or penthouse is provided at the top of the hoistway, it shall have a sufficient room for this

OPEN Y DELTA

When operating Y delta and one service is disabled, service maybe maintained at reduced load

ONE IN FRONT OF THE OTHER

When planning a multiple system of elevator layout where four or more elevator are arrange in banks

17th CENTURY

When was the practice of Plumbing in the Philippines initiated?

5"

Which is not a standard size of GI pipe for water supply? 2 1/2", 3",4",5"

counterweight

Which of the following is not a component of a hydraulic elevator?

INSUFFICIENCY IN THE SIZE OF THE WATER SERVICE AND DISTRIBUTION PIPE

Which poor design in the plumbing system causes water supply drop when the fixture is simultaneously opened?

OPEN WIRING

Wiring not concealed by the building sructure

Washdown

Women's urinal fixture.

bidet

Women's urinal fixture:

FALSE

Wooden septic tanks are allowed, true or false.

Moisture and Heat Resistant- Cross-Linked Thermosetting

XHHN in wire specification means.

Moisture and Heat Resistant- Cross-LinkedThermosetting

XHHN in wire specification means.

SEWAGE

____________ is the liquid conveyed by a sewer.

evaporator

a process which refrigerant from liquid to gas

regulator

controls the flow of current to the distribution elements

effluent

liquid waste

phase

number of AC that flow in a conductor

Closed nipple

pipe fitting with outside threads use for connecting pipes

cistern

reservoir for liquid

hydronics

the art and practice of heating and cooling with water

3-WAY SWITCH AT MIDPOINT AND

three points

condenser

vessel where vapor is liquefied by removal of heat

flush valve

valve for controlling the flushing of fixtures

standpipe

vertical pipe used for the storage of water