NYC FUEL GAS CODE EXAM AND PRACTICE EXAM LATEST 2025
WITH ACTUAL QUESTIONS AND CORRECT DETAILED ANSWERS
ALREADY GRADED A+
How much must piping for other than dry gas conditions be sloped? - CORRECT
ANSWER-Not less the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe - CORRECT ANSWER-8 feet
When is water permitted for testing? - CORRECT ANSWER-Fresh water may be
used the test medium where the required test pressure exceeds 100 p.s.i.g.
When do need temporary restraints when testing? - CORRECT ANSWER-
Expansion joints shall be provided with temporary restraints, if required, for the
additional trust load under test.
What must each digital gauge used to measure pressure in the magnitude of 3
and higher read? - CORRECT ANSWER-The gauge shall have a minimum reading
of 1/100 of a p.s.i.g.
Where pipe passes through an outside wall, this piping shall not be less than how
many inches outside of the buildings? - CORRECT ANSWER-With conduit going
,through the wall, pipe shall not be less than 4 inches outside the building and
sleeve shall be at least 1 inch beyond the inner side of the wall. Pipe shall be
vented above grade to the outdoors and shall be installed so as to prevent the
entrance of water and insects.
Threaded pipe may be used up to 4 inches at pressure no greater than? -
CORRECT ANSWER-1/2 p.s.i.g.
Gas piping going through the foundation wall of a building, shall be protected by?
- CORRECT ANSWER-Encasing it in a protective sleeve.
Gas piping in solid floor shall be installed in a conduit of schedule 40 pipe. This
conduit shall extend not less than how many inches above the floor? - CORRECT
ANSWER-2 inches.
All exterior gas piping shall be elevated not less than how many inches above
ground and roof surfaces? - CORRECT ANSWER-3 1/2 inches.
Where is the union located for a gas appliance? - CORRECT ANSWER-A union
fitting shall be provided for appliance connected by rigid metallic pipe. Such
unions shall be accessible and located within 6 feet of the appliance.
Where is gas piping permitted? - CORRECT ANSWER-Gas piping may be installed
in public corridors in residential buildings that do not have floors below grade or
in multi use buildings that have a residential occupancy in accordance with the
following, Gas piping shall be permitted to be installed within a public corridor at
the lowest level of the building or the lowest residential level of the building. All
, gas valves located within the public corridor shall be accessible for maintenance
and inspection. Gas pressure within the public corridor piping shall not exceed 1/2
psi. The completed piping within the public corridor is to be tested and proven
tight at 10 psig for a minimum of 30 minutes. The public corridor shall be
ventilated in accordance with the New York City Mechanical Code. The pipe shall
not be installed in a return air plenum. Pipes must be welded.
The untreated portion of gas piping outlets must extend at least how many inch
through finished ceilings and walls? - CORRECT ANSWER-1 inch
Underground piping systems shall be installed a minimum depth of, how many
inches below grade? - CORRECT ANSWER-24 inches
The unthreatened portion of gas piping outlets extending through floors or
outdoor patios and slabs must extend at least, how many inches above them? -
CORRECT ANSWER-2 inches
What gas is prohibited from being used for testing gas piping? - CORRECT
ANSWER-Oxygen
The testing duration for gas piping with distribution pressures over 1/2 p.s.I.g
through 5 p.s.I.g is? - CORRECT ANSWER-50 p.s.I.g for a minimum of 30
minutes.
Supports for 1 inch gas piping shall be spaced no more than, how many feet
apart? - CORRECT ANSWER-8 feet
WITH ACTUAL QUESTIONS AND CORRECT DETAILED ANSWERS
ALREADY GRADED A+
How much must piping for other than dry gas conditions be sloped? - CORRECT
ANSWER-Not less the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe - CORRECT ANSWER-8 feet
When is water permitted for testing? - CORRECT ANSWER-Fresh water may be
used the test medium where the required test pressure exceeds 100 p.s.i.g.
When do need temporary restraints when testing? - CORRECT ANSWER-
Expansion joints shall be provided with temporary restraints, if required, for the
additional trust load under test.
What must each digital gauge used to measure pressure in the magnitude of 3
and higher read? - CORRECT ANSWER-The gauge shall have a minimum reading
of 1/100 of a p.s.i.g.
Where pipe passes through an outside wall, this piping shall not be less than how
many inches outside of the buildings? - CORRECT ANSWER-With conduit going
,through the wall, pipe shall not be less than 4 inches outside the building and
sleeve shall be at least 1 inch beyond the inner side of the wall. Pipe shall be
vented above grade to the outdoors and shall be installed so as to prevent the
entrance of water and insects.
Threaded pipe may be used up to 4 inches at pressure no greater than? -
CORRECT ANSWER-1/2 p.s.i.g.
Gas piping going through the foundation wall of a building, shall be protected by?
- CORRECT ANSWER-Encasing it in a protective sleeve.
Gas piping in solid floor shall be installed in a conduit of schedule 40 pipe. This
conduit shall extend not less than how many inches above the floor? - CORRECT
ANSWER-2 inches.
All exterior gas piping shall be elevated not less than how many inches above
ground and roof surfaces? - CORRECT ANSWER-3 1/2 inches.
Where is the union located for a gas appliance? - CORRECT ANSWER-A union
fitting shall be provided for appliance connected by rigid metallic pipe. Such
unions shall be accessible and located within 6 feet of the appliance.
Where is gas piping permitted? - CORRECT ANSWER-Gas piping may be installed
in public corridors in residential buildings that do not have floors below grade or
in multi use buildings that have a residential occupancy in accordance with the
following, Gas piping shall be permitted to be installed within a public corridor at
the lowest level of the building or the lowest residential level of the building. All
, gas valves located within the public corridor shall be accessible for maintenance
and inspection. Gas pressure within the public corridor piping shall not exceed 1/2
psi. The completed piping within the public corridor is to be tested and proven
tight at 10 psig for a minimum of 30 minutes. The public corridor shall be
ventilated in accordance with the New York City Mechanical Code. The pipe shall
not be installed in a return air plenum. Pipes must be welded.
The untreated portion of gas piping outlets must extend at least how many inch
through finished ceilings and walls? - CORRECT ANSWER-1 inch
Underground piping systems shall be installed a minimum depth of, how many
inches below grade? - CORRECT ANSWER-24 inches
The unthreatened portion of gas piping outlets extending through floors or
outdoor patios and slabs must extend at least, how many inches above them? -
CORRECT ANSWER-2 inches
What gas is prohibited from being used for testing gas piping? - CORRECT
ANSWER-Oxygen
The testing duration for gas piping with distribution pressures over 1/2 p.s.I.g
through 5 p.s.I.g is? - CORRECT ANSWER-50 p.s.I.g for a minimum of 30
minutes.
Supports for 1 inch gas piping shall be spaced no more than, how many feet
apart? - CORRECT ANSWER-8 feet
