UPC: Ch 12 Fuel Gas Piping UPDATED ACTUAL Questions and
CORRECT Answers
The ____________ is hereby authorized to disconnect C
gas piping or appliances or both that shall be found not
to be in accordance with the requirements of this code or
are found defective and in such condition as to endanger
life or property.
a. homeowner and the architect
b. plumber and the architect
c. Authority Having Jurisdiction or the gas supplier
d. homeowner
The location of the point of delivery shall be acceptable B
to the _________ _.
a. Authority Having Jurisdiction
b. serving gas supplier
c. building owner
d. building occupant
Plastic pipe for fuel gas shall be used only _________ _. A
a. outside underground
b. inside
c. both A and B apply
d. by a licensed plumber
The approximate number of threads to be cut on a piece A
of l-inch metallic fuel gas pipe is____________ _.
a. 10
b. 11
c. 12
d. 13
, The approximate number of threads to be cut on a piece B
of l-inch metallic fuel gas pipe is____________ _.
a. 10
b. 11
c. 12
d. 13
Horizontal 1/2 inch diameter steel fuel gas piping shall be A
supported at intervals not
exceeding _________ feet.
a. 6
b. 8
c. 10
d. 12
Full-face gaskets shall be used with _________ flanges. D
a. bronze
b. cast iron
c. aluminum
d. both A and B apply
Lapped flanges shall be located accessible for inspection D
and used only _______ _.
a. inside walls
b. inside cabinets
c. below ground
d. above ground
To prevent traps, gas piping for other than dry gas D
conditions, shall be sloped not less than
_________________________.
a. 1/8 inch in 10 feet
b. 1/8 inch in 15 feet
c. 1/4 inch in 10 feet
d. 1/4 inch in 15 feet
Underground gas piping systems shall be installed with a B
cover not less than _______ _. Where external damage
to the pipe or tubing from external forces is likely to
result, the cover shall be not less than ______ inches.
a. 6,12
b. 12,18
c. 18, 24
d. 24,30
Where gas piping is installed underground beneath C
buildings, the piping shall be one of the
following:
a. polyethylene
b. 20 mil gas protective coating
c. encased in an approved conduit
d. encased in cement
CORRECT Answers
The ____________ is hereby authorized to disconnect C
gas piping or appliances or both that shall be found not
to be in accordance with the requirements of this code or
are found defective and in such condition as to endanger
life or property.
a. homeowner and the architect
b. plumber and the architect
c. Authority Having Jurisdiction or the gas supplier
d. homeowner
The location of the point of delivery shall be acceptable B
to the _________ _.
a. Authority Having Jurisdiction
b. serving gas supplier
c. building owner
d. building occupant
Plastic pipe for fuel gas shall be used only _________ _. A
a. outside underground
b. inside
c. both A and B apply
d. by a licensed plumber
The approximate number of threads to be cut on a piece A
of l-inch metallic fuel gas pipe is____________ _.
a. 10
b. 11
c. 12
d. 13
, The approximate number of threads to be cut on a piece B
of l-inch metallic fuel gas pipe is____________ _.
a. 10
b. 11
c. 12
d. 13
Horizontal 1/2 inch diameter steel fuel gas piping shall be A
supported at intervals not
exceeding _________ feet.
a. 6
b. 8
c. 10
d. 12
Full-face gaskets shall be used with _________ flanges. D
a. bronze
b. cast iron
c. aluminum
d. both A and B apply
Lapped flanges shall be located accessible for inspection D
and used only _______ _.
a. inside walls
b. inside cabinets
c. below ground
d. above ground
To prevent traps, gas piping for other than dry gas D
conditions, shall be sloped not less than
_________________________.
a. 1/8 inch in 10 feet
b. 1/8 inch in 15 feet
c. 1/4 inch in 10 feet
d. 1/4 inch in 15 feet
Underground gas piping systems shall be installed with a B
cover not less than _______ _. Where external damage
to the pipe or tubing from external forces is likely to
result, the cover shall be not less than ______ inches.
a. 6,12
b. 12,18
c. 18, 24
d. 24,30
Where gas piping is installed underground beneath C
buildings, the piping shall be one of the
following:
a. polyethylene
b. 20 mil gas protective coating
c. encased in an approved conduit
d. encased in cement
