MCC-NH GAS FITTERS EXAM 2026-2027
QUESTIONS AND CORRECT ANSWERS |
A+ GRADE VERIFIED ANSWERS
Gas meters shall be located in ventilated spaces readily
accessible for what purposes? Correct answer
Examination / Reading / Replacement / Necessary
Maintenance
Who shall we contact to obtain the heating value of the
gas used? Correct answer The Serving Gas Supplier
What CPN covers metallic piping joints and fittings?
Correct answer 5.6.7
What CPN covers plastic piping joints and fittings? Correct
answer 5.6.8
Line gas pressure regulators shall be listed in accordance
with? Correct answer 5.8..2.2
Please explain the two ways we accomplish venting a line
gas pressure regulator. Correct answer Piping a vent at or
the installation a vent limiter
What will be required when the available supply pressure
is higher than what the appliance is designed for? Correct
answer A Line Pressure Regulator
,Normal ASP for LP gas is? Correct answer 11"w.c. to 14"
w.c.
1 cubic foot of LP gas approximately contains how many
BTU's? Correct answer 2,500 BTU (2.5 mBTU)
Metallic pipe threads shall be what? Correct answer Cut to
specific lengths and sized using the charts
Normal manifold pressure for LP gas is? Correct answer
10"w.c.
Normal manifold pressure for natural gas is? Correct
answer 3.5"w.c.
The maximum design operating pressure for piping
located inside a building shall not exceed? Correct answer
5 PSIg
The maximum design operating pressure for any gas
piping system shall not exceed? Correct answer 125 PSIg
According to NFPA54 Gas piping systems shall be sized
and installed to satisfy maximum demand of the system
while ensuring what? Correct answer Each appliance
receives not less than the minimum manifold pressure it
requires
Normal ASP for Natural gas is? Correct answer 3.5"w.c. to
8"w.c.
, Please convert the following appliance input into the most
appropriate unit of measurement for the use with the
charts pertaining to natural gas. 150,000 BTU/Hr. Correct
answer 150, = 60cuft
1 cubic foot of Natural gas approximately contains how
many BTU's? Correct answer 1,000 BTU
What shall be requirement to be included on a piping
plan? Correct answer Location , Sections , Segments,
Outlets, Legend, Available Supply Pressure.
Who determines where the point of delivery will be?
Correct answer The Serving Gas Supplier
What type of Plastic piping shall be used as gas pipe?
Correct answer Polyethylene Pipe or Polyamide
Can PVC be used as plastic piping? What is PVC
commonly used for? Correct answer No however it is
commonly used for vent piping on gas regulators.
What is the purpose of an excess flow valve? Correct
answer Stop the flow of gas when flow exceeds the rating
of the valve (such as a major pipe rupture)
A regulator vent shall be installed to prevent the entry of?
Correct answer Water / Debris / Insects
QUESTIONS AND CORRECT ANSWERS |
A+ GRADE VERIFIED ANSWERS
Gas meters shall be located in ventilated spaces readily
accessible for what purposes? Correct answer
Examination / Reading / Replacement / Necessary
Maintenance
Who shall we contact to obtain the heating value of the
gas used? Correct answer The Serving Gas Supplier
What CPN covers metallic piping joints and fittings?
Correct answer 5.6.7
What CPN covers plastic piping joints and fittings? Correct
answer 5.6.8
Line gas pressure regulators shall be listed in accordance
with? Correct answer 5.8..2.2
Please explain the two ways we accomplish venting a line
gas pressure regulator. Correct answer Piping a vent at or
the installation a vent limiter
What will be required when the available supply pressure
is higher than what the appliance is designed for? Correct
answer A Line Pressure Regulator
,Normal ASP for LP gas is? Correct answer 11"w.c. to 14"
w.c.
1 cubic foot of LP gas approximately contains how many
BTU's? Correct answer 2,500 BTU (2.5 mBTU)
Metallic pipe threads shall be what? Correct answer Cut to
specific lengths and sized using the charts
Normal manifold pressure for LP gas is? Correct answer
10"w.c.
Normal manifold pressure for natural gas is? Correct
answer 3.5"w.c.
The maximum design operating pressure for piping
located inside a building shall not exceed? Correct answer
5 PSIg
The maximum design operating pressure for any gas
piping system shall not exceed? Correct answer 125 PSIg
According to NFPA54 Gas piping systems shall be sized
and installed to satisfy maximum demand of the system
while ensuring what? Correct answer Each appliance
receives not less than the minimum manifold pressure it
requires
Normal ASP for Natural gas is? Correct answer 3.5"w.c. to
8"w.c.
, Please convert the following appliance input into the most
appropriate unit of measurement for the use with the
charts pertaining to natural gas. 150,000 BTU/Hr. Correct
answer 150, = 60cuft
1 cubic foot of Natural gas approximately contains how
many BTU's? Correct answer 1,000 BTU
What shall be requirement to be included on a piping
plan? Correct answer Location , Sections , Segments,
Outlets, Legend, Available Supply Pressure.
Who determines where the point of delivery will be?
Correct answer The Serving Gas Supplier
What type of Plastic piping shall be used as gas pipe?
Correct answer Polyethylene Pipe or Polyamide
Can PVC be used as plastic piping? What is PVC
commonly used for? Correct answer No however it is
commonly used for vent piping on gas regulators.
What is the purpose of an excess flow valve? Correct
answer Stop the flow of gas when flow exceeds the rating
of the valve (such as a major pipe rupture)
A regulator vent shall be installed to prevent the entry of?
Correct answer Water / Debris / Insects
