Amendment 1 test 1

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Building sewers shall be installed in a minimum of _______ Inches below grade

36

A pipe chase is a

Continuous space in the building through which pipes run

The proper type of fitting to use in a horizontal Steam main when changing pipe size is a/an

Eccentric reducer

Item 10 is a

Fresh air inlet

Item 1 is a _____ vavle

Gate

The purpose of the code is to

Help protect the public

The end wrench is tool

Image 2

The wrench best suited for piping up against a wall is

Image 2 ( end wrench )

The Raprench is tool

Image 3

The wrench Manufactured in only one size

Image 3 Raprench

Yard hydrant systems that are connected to city water mains Shall be provided with post indicator valves Located in an accessible position. Such post indicator valves shall be located _______ and painted _______

Open; red

The water supply pipe that extends from the street main to the house control valve is generally called the ______ pipe

Service

Item 6 is a

Shock absorber

Joints for glass pipe used in chemical waste systems shall be made by all the following except

Sleeve couplings

Item 4 is a

Test connection

Item 7 is a

Vent line

Sheathing or wrapping for corrosion protection of pipes shall not be less than ________ inch thick

.025

When concealed piping requires protection, just do you plates shall not be less than ________ inches thick or _______ gage

.0575 ; 16

Standpipe systems are categorized into three classes. A class 3 system has

1 1/2 " hose stations For use by trained Personnel and for fire department initial response

Where concealed copper piping passes through holes bored in wood studs, Shield plates are not required if the bored holes or at least_________ Inches from the nearest edge of the Studs

1 1/2"inches

Barring certain exceptions for commercial,industrial, and large volume use— gas Distribution piping within a building shall not run at pressures greater than ______ Psig

1/2"

Ice storage chest Drains Shall have removable screens of not less than

10 mesh per square inch

Compaction is required for the first ___________ Inches of backfill above the pipe installed in a trench

12

For water piping adjacent and parallel to a wall footing, and installed at a depth of 12 inches below the bottom of the footing, the trench shall be located not less than ______ Inches horizontally from the footing

12

Supports for 1" inch threaded Black pipe shall be spaced every

12'

A tank is filled with fresh water to a height of 20 feet. The pressure at the bottom of the tank is____ Pounds per square foot

1248

Shield plates required to protect piping installed through notches or bored holes in framing members shall extend a minimum of ______ inches above soil plate and below top plates

2

A pipe sleeve in a masonry foundation Wall shall be at least_______ Greater than the pipe passing through the Wall

2 pipe sizes

A 4" caulking ferrule has minimum weight of

2 pounds 8 ounces

Distance 9 should be a minimum of ______ feet

2'

A hot water Recirculation system or other method of maintaining temperature in accordance with the New York City energy conservation code — shall be provided when the developed length of hot water piping from the source to the farthest fixture exceeds_____ inches

20"

A head of water 50 feet high is equivalent to a pressure of most nearly______ psi

22

When excavating a trench for underground piping installation, rock shall be removed to a depth of at least _______ Below the bottom of the pipe

3"

The minimum burial depth for a building sewer Connecting to a private sewage disposal system shall be __________ Inches below finished grade at the point of septic tank connection

36 "

The dial of a displacement water meter shall be a maximum height above the floor ______ feet

4

Item 8 should have a minimum diameter of _____ inched

4"

The minimum burial depth of exterior water supply piping is ________ Inches below grade

48

When performing an air test of the roughing-in for a drainage and vent system, The pressure required by the code shall be

5 psi

Stand pipes that are part of a combine system shall be at least ________ Inches in size

6

The initial backfill over pipe installed in a trench shall be maximum ______ inch layers of loose earth

6

Alteration Trusses Require a written approval of

A registered design professional

Roof drainage downspouts or leaders should be sized according to the

Area of roof to be drained

Reversal of flow in water supply pipe caused by vacuum is called?

Backsiphonage

The code does not permit the use of _______ To support and maintain the grade of drainage piping in a trench

Blocks

The utility line that usually enters or leaves the building at the lowest elevation is the

Building drain

The approved method for preventing rodents from entering a structure do not include?

Buildings traps

The type of pipe that is generally advantageous to use where corrosion is severe is ?

Cast iron

Item 11 is a

Cleanout plug

A non-rising stem type gate valve is best suited for locations where

Clearance around the valve are limited

A drain from two or three fixtures connected to a single trap is a

Combination Waste

When an unusually long run of supply pipe for sprinklers is needed, an increase in pipe size over that Called for in the specifications may be required to ?

Compensate for increased friction

Pipe pass through concrete walls require protection from

Corrosion

Item 13 is a

Curb box

The number of threads per inch on standard steel pipe threads generally

Decrease as the diameter of the pipe increases

When automatic sprinklers are attached to a piping system containing air under pressure, The sprinkler system is called ______ system

Dry - pipe

Where the bedding for piping consist of backfill, _______ Is an approved material

Fine gravel

Vent pipes through the roof require

Flashing

The offset wrench is tool

Image 4

The wrench that provides easy entry into tight spot is

Image 4 (offset wrench )

The wrench ideal for frozen joints is

Image 5 ( Compound leverage Wrench )

A specification requires that a sewer pipe be laid with a smooth and uniform invert. The term invert refers to the _______ of the pipe, ______

Inside ; at the bottom

Item 3 is a

Meter

Small commercial sizes of steel pipe are generally designed by their ______ Diameter.

Nominal inside

When preparing to work on a steam line, Do you notice places Where the insulation is Deteriorating and white, fluffy material is exposed. The proper course of action would be to?

Notify your supervisor; or , In case of a supervisor, Schedule abatement before sending your men on the job; The number one priority of any supervisor is to make sure that your men make it home to their families in their same condition their family sent them.

Item 14 has the main purpose of

Permitting water supply to be turned off

Where poor soil conditions exist at the bottom of the trench, ____________

Pipe shall be hung from the slab above

The main reason for pitching a steam pipe in a heating system is to

Prevent accumulation of condensation

The color of the hose connecting an acetylene Regulator to a torch is

Red

Item 2 is a

Reducer

The one of the following terms that is not used to classify buildings for purposes of sprinkler installation is _______ hazard

Regular

The main Reason cast iron is used for insulation underground is that it

Resists corrosion very well

Item 12 is a

Running trap

The ____________ regulates piping material that are exposed in plenums

The New York City mechanical code

A by-pass Around a water meter would most likely be permitted when

The building has only one source of supply

Fire pump shall be tested after installation to ascertain that the pump is supplying it's rated capacity at

The highest required hose outlet

Materials used in plumbing systems must be listed by_________ Agency

Third party certification

Piping installed by tunneling shall be protected from

Uneven loading

A stop and waste cock is generally used on?

Water supply lines subject to low temperatures

A sump pump may be installed at the base of an elevator shaft when the discharge is

indirectly connected to a storm drain

when there is a conflict between the requirements of the code and the manufacturers installation, the ___________ requirements shall apply

more restrictive


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