PROPANE PRACTICE TESTS Questions and
Answers with Solutions
According to the Two Permanent Openings Method one
opening must commence within ____ and one must commence
within ___ of the enclosure - ANSWER 12 inches of the top 12
inches of the bottom
Room heaters shall NOT be installed in what occupancies? -
ANSWER Health care and Residential board and care.
Define a type B-W gas vent: - ANSWER It shall not have a listed
capacity NOT LESS than that of the listed vented wall furnace to
which it is connected.
Listed vented wall furnaces shall use which type of venting
system? - ANSWER Type B-W gas vent
NO portion of a venting system shall extend or pass through
any.... - ANSWER Fabricated air duct OR Furnace plenum
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The exit terminals of mechanical draft systems shall not be LESS
than ___________ when located adjacent to public walkways. -
ANSWER 7 ft above finished ground level
Forced draft systems and all portions of induced draft systems
under positive pressure during operation shall be designed and
installed so as to _____________. - ANSWER Prevent leakage of
flue gases into the building
Mechanical draft systems shall be _______ . - ANSWER Listed
A chimney for residential type or low heat appliances shall
extend at least 2 feet higher than any portion of a building
within a horizontal distance of _______. - ANSWER 10 feet
Category I Vented appliance - ANSWER An appliance that
operates with a non-positive vent static pressure and with a
vent gas temperature that avoids excessive condensate
production in the vent.
Type 1 and Type 2 clothes dryers shall be exhausted to the
________. - ANSWER Outside
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Ventilating hoods and exhaust systems shall be ________
installed in commercial applications and to vent industrial
equipment. - ANSWER Permitted to vent gas appliances
What appliances are NOT required to be vented? - ANSWER
Counter appliances or Direct gas-fired make-up air heaters
What is the correct spacing of supports for 3/4" or 1" steel
pipe? - ANSWER Every 8 feet
Regarding indoor combustion air, what method states the
minimum volume shall be 50 cube feet per 1000 Btu/hour? -
ANSWER Standard method
All dispensers shall be installed on what type of foundation? -
ANSWER Concrete
The number of containers in a building undergoing minor
renovations shall NOT exceed the ________ assigned to using
the LP-gas. - ANSWER Number of workers and shall not exceed
______ lbs in size
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Aboveground containers shall be ________. - ANSWER Painted
All regulators for outdoor installations shall be designed,
_______ or protected so that operation will not be affected by
the elements. - ANSWER Installed
Temperature sensitive elements of emergency shutoff valves
shall NOT be ________ . - ANSWER Painted
In a piping system where condensation of vapor can occur,
piping shall be _______, or means shall be provided for re-
vaporizing the condensate. - ANSWER sloped back to the
container
What is the minimum cover that should be maintained over all
underground metallic piping? - ANSWER 12 inches
Polyethylene piping systems shall be limited to vapor service
not exceeding ________. - ANSWER 30 psig