Amendment 1 test 1
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
