NYC LIC41 EXAM 4
Except when in the same room as the appliance served, gas piping must be
identified by a yellow label marked "Gas" in black letters and the markings
spaced at intervals not exceeding __________ feet.
5
Where there are multiple gas meters, the __________ must mark the piping
system supplied by each meter with an approved permanent identification.
installer
The volume of gas to be provided must be determined directly from the
__________ of the appliance served.
input rating
Individual outlets to gas ranges shall not be less than __________ inches
NPS.
.75
Except for commercial, industrial, and other large volume use, no gas
distribution piping containing gas at a pressure more than __________ psig
shall be run within a building.
1/2
Of the following materials, which one is acceptable in a gas piping system?
carbon steel or wrought iron
Plastic may only be used for gas piping __________.
outdoors and below ground
For steel gas piping, threaded fittings larger than __________ inches are not permitted
4
Used pipe, fittings, valves, and other materials must not be used in a gas
piping system except where they are free of __________.
, material cannot be reused under any conditions
Gas piping must not be installed in or through a(n) __________.
clothes chute
Piping systems may be purged indoors with fuel gas if the design operating
pressure is __________ psig or less.
2
Portions of gas piping systems installed in concealed locations must not
have __________.
unions
Branches shall be taken off a gas riser with not less than a __________ -
elbow swing.
2
Gas piping entering through a foundation wall underground shall be
protected by __________.
encasing it in a protective sleeve
Concealed gas piping shall not be in solid partitions and solid walls, unless _______________.
installed in a chase or casing
Gas piping installed in solid floors using a schedule 40 pipe casing shall
have the ends of such casing extend not less than __________ inches above
the floor.
2"
Exterior aboveground gas piping must be elevated not less than __________
inches above ground and roof surfaces.
3 1/2"
Underground gas piping shall be installed a minimum of __________ inches
below grade.
Except when in the same room as the appliance served, gas piping must be
identified by a yellow label marked "Gas" in black letters and the markings
spaced at intervals not exceeding __________ feet.
5
Where there are multiple gas meters, the __________ must mark the piping
system supplied by each meter with an approved permanent identification.
installer
The volume of gas to be provided must be determined directly from the
__________ of the appliance served.
input rating
Individual outlets to gas ranges shall not be less than __________ inches
NPS.
.75
Except for commercial, industrial, and other large volume use, no gas
distribution piping containing gas at a pressure more than __________ psig
shall be run within a building.
1/2
Of the following materials, which one is acceptable in a gas piping system?
carbon steel or wrought iron
Plastic may only be used for gas piping __________.
outdoors and below ground
For steel gas piping, threaded fittings larger than __________ inches are not permitted
4
Used pipe, fittings, valves, and other materials must not be used in a gas
piping system except where they are free of __________.
, material cannot be reused under any conditions
Gas piping must not be installed in or through a(n) __________.
clothes chute
Piping systems may be purged indoors with fuel gas if the design operating
pressure is __________ psig or less.
2
Portions of gas piping systems installed in concealed locations must not
have __________.
unions
Branches shall be taken off a gas riser with not less than a __________ -
elbow swing.
2
Gas piping entering through a foundation wall underground shall be
protected by __________.
encasing it in a protective sleeve
Concealed gas piping shall not be in solid partitions and solid walls, unless _______________.
installed in a chase or casing
Gas piping installed in solid floors using a schedule 40 pipe casing shall
have the ends of such casing extend not less than __________ inches above
the floor.
2"
Exterior aboveground gas piping must be elevated not less than __________
inches above ground and roof surfaces.
3 1/2"
Underground gas piping shall be installed a minimum of __________ inches
below grade.
