NYC GAS CODE EXAM LATEST 2025 /2026
ACTUAL EXAM WITH COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS/ALREADY
GRADED A+
Where is the union located for a gas appliance? - 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? - 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.
How much must piping for other than dry gas conditions be sloped? - ANSWER-Not less
the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe - ANSWER-8 feet
When is water permitted for testing? - 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? - 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? - 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? - 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.
ACTUAL EXAM WITH COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS/ALREADY
GRADED A+
Where is the union located for a gas appliance? - 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? - 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.
How much must piping for other than dry gas conditions be sloped? - ANSWER-Not less
the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe - ANSWER-8 feet
When is water permitted for testing? - 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? - 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? - 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? - 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.
