Master Plumber Review
Each vent pipe or stack shall extend through its flashing and shall terminate vertically not less ____ above the roof nor less than ____ from any vertical surface.
0.15m, 0.3m
minimum depth of the building sewer when installed?
0.3 m
Caulk joint shall be firmly packed with oakum or hemp and poured with pure lead, what is that depth of lead over oakum?
25 mm
Each hose outlet of all interior wet standpipes shall be supplied with a hose not less than____ millimeters in diameter. (National Building Code, PD 1096)
38
Except for refrigeration coils and icemaking machines, what is the maximum developed length of the indirect waste pipe?
4.5m
Discharge pipes from pressure tanks shall extend____ millimeters into and above the bottom of such tanks. (National Building Code, PD 1096)
50
What is the minimum diameter for a wet vented section allowed by code?
51mm
If one-third of one-fourth of a number is 15, then three-tenth of that number is:
54
The plumbing fixture unit is equivalent to
7.5 gpm
Approved manholes may be installed in lieu of cleanouts when first approved by the Administrative Authority. The maximum distance between manholes shall not exceed
91 meters
Ever building four or more storeys in height where the area of any floor above the third floor is ____ square meters or less, shall be equipped with at least one dry standpipe. (National Building Code, PD 1096)
950
A plumbing permit shall become null and avoid if the work authorized therein is not commenced within ___.
1 year
All interior wet standpipes shall be equipped with a____ millimeter valve in each storey. (National Building Code, PD 1096)
38
The vertical main of a system of soil, waste or vent piping
Stack
What is the vent pipe in the plumbing that serve building drain and building sewer?
SVTR
Double offset may be used in the following way except
Used as a trap substitute
What is used in disinfecting large public water supplies?
Chlorine
What type of vent is used in conjunction with loop vent?
Circuit Vent
What is the process of water supply purification which consists of applying certain chemicals in particles too small to be removed by plain sedimentation?
Coagulation
An impairment of the quality of the potable waste which creates an actual hazard to the public health through poisoning or spread of disease by sewage, industrial fluids or waste. Also defined as "high hazard".
Contamination
A passage under a road embankment or canal which allows for the flow of water:
Culvert
Where does the digestion process in a septic tank take place?
Digestion Chamber
A vent that does not carry liquid or water-borne waste.
Dry vent
A term used to describe a soil or waste system where all pipings are threaded pipe tubing or other such construction using recessed drainage fittings to correspond to the type of fittings.
Durham system
pipe fitting to change in one single direction the flow of water.
Elbow
Wastewater flushed out of the water closet is known as
Black Water
Crimping is a process of ___ pipe.
Jointing fitting to a pipe
Plumbing law of the Philippines is called
RA 1378
An underground tank reservoir to store water
cistern
The present worth of all depreciation over the economic life of the item is called:
depreciation recovery
Lands, buildings, plant and machinery are example of,
fixed assets
Pressure test on joints and connections of pipes and fittings in the plumbing system shall be required to ensure ____________ connections.
gastight and watertight
As per code, no more than one-third of the total permitted length of any minimum sized vent shall be installed in a
horizontal position
As per code, no trap for any clothes washer standpipe receptor shall be installed below the floor, what is the required roughed-in distance above the floor?
not less than 15cm and not more than 45cm
What is the minimum volume required for sumps and condensers when the normal water level of such boiler or boilers is reduced not less than 102 mm?
not less than twice the volume of water removed from the boiler or boilers connected thereto
A normal to a given plane is:
perpendicular to the plane
RCPC means
Reinforced concrete pipe culvert
fitting which main function is to connect the male end of a pipe to a fitting of a larger size.
Coupling
Dry standpipes shall have sufficient strength to withstand a water pressure of how much when ready for service?
20 kg/cm2
All vents within 3m of any part of the roof that is used for such other purposes shall extend not less than how many meters above such roof and shall be securely stayed?
2.1
The source of supply for fire pump shall be a street water main of not less than____ millimeters diameter or a well or cistern containing a one-hour supply. (National Building Code, PD 1096)
100
Fire pumps shall have a capacity of not less than___ liters per minute with a pressure not less than___ kilograms per square centimeter at the topmost hose outlet. (National Building Code, PD 1096)
1000 and 2
Interior wet standpipes shall have an internal diameter sufficient to deliver ____ liters of water per minute under 2.0 kilograms per square centimeter pressure at those hose connections. (National Building Code, PD 1096)
190
What is the recommended slope for sanitary drainage pipes?
2%
All pipe materials to be used in buildings/structures shall conform to the standard specifications of_____. (National Building Code, PD 1096)
ASTM
Which fitting is used in joining galvanized steel pipe with plastic pipe?
Adapter
What is the process of exposing water in their films to the oxygen of the atmosphere in order to remove neutralize the taste, odor and dissolved oxygen?
Aeration
What type of bacteria requires no oxygen for their action in the decomposition of sewage
Anaerobic bacteria
Hub is also known as ___.
Bell
It is draining of the water seal caused by foreign objects like thread or string suspended and extended over the outlet arm of the trap.
Capillary action
CCIP means ___.
Central Cast Iron Pipe
only type of valve used in the sanitary system:
Back flow valve
What is the pipe connection in which a ball is held in a cup-like that allows movement in every direction
Ball joint
What type of venting system is connected at the drain side of a trap?
Fixture Vent
_____ is prohibited except where the roof is used for purposes other than weather protection.
Flagpoling of vents
When pipe is joined by means of flexible compression joints, such joints shall conform to approved standards and shall not be considered as slip joints
Flexible Compression Factory-Fabricated Joints
____ piping shall not be used for steam. (National Building Code, PD 1096)
Galvanized
Pipe color for a pipe servicing cold water. (National Building Code, PD 1096)(Ammended Regulations)
Green
A water closet consisting of a continuous trough containing water. The trough extends under two or more adjacent seats.
Latrine
Pipe color for a pipe servicing grease. (National Building Code, PD 1096)(Ammended Regulations)
Orange
How is water hardness measured?
Parts per million
A full circle connected to a line illustrated in plan view of a piping system indicated that it is a:
Pipe turning out
PVC stands for ___, which commonly used different piping system.
Polyvinyl Chloride
joint type is commonly used on galvanized steel pipe?
Screwed Joint
Refers to the pump that will discharge the waste in the sump and transfer it to the house drain installed overhead.
Sewage ejector
What type of end connection which are used for valves smaller than 2 inches in diameter?
Threaded
What is the heaviest type of copper tube?
Type K
pipe fitting with the interconnection of pipes for the purpose of easy connection when needed
Union patente
What do you call the process of removing the hardness causing minerals from water?
Water softening
vent which also serves as a drain.
Wet vent
Pipe color for a pipe servicing high pressure steam. (National Building Code, PD 1096)(Ammended Regulations)
Yellow
What is the prescribed color coding of piping under Steam Division of a High pressure pipe? (National Building Code)
Yellow
As per code, no indirect waste receptor shall be installed in any toilet room, closet, cupboard, or storeroom, nor in any other portion of a building not in general use by the occupants thereof; except
standpipes for clothes washer
pipe or tubing that connects the outlet of a plumbing fixture to the trap.
tailpiece
When a minimum sized vent is increased one pipe size for its entire length_______.
the maximum length limitation does not apply
