NYC FUEL GAS CODE ACTUAL EXAM
QUESTIONS AND WELL DETAILED
ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+|| LATEST UPDATE
2025/26
Where is the union located for a gas appliance? -CORRECTANSWER 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? -CORRECTANSWER 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? -
CORRECTANSWER Not less the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe -CORRECTANSWER 8 feet
When is water permitted for testing? -CORRECTANSWER 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? -CORRECTANSWER 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? -CORRECTANSWER 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? -CORRECTANSWER 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.
QUESTIONS AND WELL DETAILED
ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+|| LATEST UPDATE
2025/26
Where is the union located for a gas appliance? -CORRECTANSWER 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? -CORRECTANSWER 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? -
CORRECTANSWER Not less the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe -CORRECTANSWER 8 feet
When is water permitted for testing? -CORRECTANSWER 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? -CORRECTANSWER 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? -CORRECTANSWER 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? -CORRECTANSWER 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.
