NYC GAS CODE NEWEST EXAM WITH ACTUAL
QUESTIONS AND VERIFIED ANSWERS GRADED A+.
The gas shut off valve shall be within how many feet of the appliance? -
ANSWERS-6
feet
Where is the union located for a gas appliance? - ANSWERS-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? - ANSWERS-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? -
ANSWERS-Not less the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe - ANSWERS-8 feet
When is water permitted for testing? - ANSWERS-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? - ANSWERS-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? - ANSWERS-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? - ANSWERS-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? -
ANSWERS-1/2 p.s.i.g.
Gas piping going through the foundation wall of a building, shall be protected
by? - ANSWERS-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? -
ANSWERS-2 inches.
All exterior gas piping shall be elevated not less than how many inches above
ground and roof surfaces? - ANSWERS-3 1/2 inches.
The untreated portion of gas piping outlets must extend at least how many inch
through finished ceilings and walls? - ANSWERS-1 inch
Underground piping systems shall be installed a minimum depth of, how many
inches below grade? - ANSWERS-24 inches
QUESTIONS AND VERIFIED ANSWERS GRADED A+.
The gas shut off valve shall be within how many feet of the appliance? -
ANSWERS-6
feet
Where is the union located for a gas appliance? - ANSWERS-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? - ANSWERS-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? -
ANSWERS-Not less the 1/4 inch in 15 feet to prevent traps.
Hanger spacing for 3/4 inch and 1 inch gas pipe - ANSWERS-8 feet
When is water permitted for testing? - ANSWERS-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? - ANSWERS-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? - ANSWERS-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? - ANSWERS-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? -
ANSWERS-1/2 p.s.i.g.
Gas piping going through the foundation wall of a building, shall be protected
by? - ANSWERS-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? -
ANSWERS-2 inches.
All exterior gas piping shall be elevated not less than how many inches above
ground and roof surfaces? - ANSWERS-3 1/2 inches.
The untreated portion of gas piping outlets must extend at least how many inch
through finished ceilings and walls? - ANSWERS-1 inch
Underground piping systems shall be installed a minimum depth of, how many
inches below grade? - ANSWERS-24 inches
