NFPA 58 CERTIFICATION EXAM 2026-
2027 NEWEST QUESTIONS AND
CORRECT ANSWERS | VERIFIED
ANSWERS A+ GRADE
What is the maximum LP-gas capacity of cylinders that
may be transported in a closed-bodied passenger vehicle,
unless the driver's and engine compartments are
separated from the cargo space by a vapor-tight partition?
Correct Answer 90 pounds
Cylinders and their appurtenances must be determined to
be _______ before being loaded into vehicles. Correct
Answer leak-free
Cylinders in transit must be fastened to protect against
what? Correct Answer movement, tipping over, physical
damage
A 100 lb propane container must be transported so the
pressure relief device communicates with what space of
the container? Correct Answer vapor space
What total weight of propane and cylinders requires a
vehicle transporting LP-Gas to be placarded? Correct
Answer more than 1000 pounds
,A flexible hose connector on a cargo tank must be
permanently marked with what information? Correct
Answer date of installation
When must a flexible connector on a cargo tank vehicle be
inspected? Correct Answer before the first delivery each
day
When must a flexible (rubber) hose connector used in the
piping system of a bobtail be replaced? Correct Answer 10
years
What is the minimum fire extinguisher requirement for a
cargo tank motor vehicle? Correct Answer 18 pounds
When are chock blocks for a cargo tank vehicle required
to be used? Correct Answer loaded, unloaded, or parked
Smoking is not permitted within how many feet of a vehicle
containing LP-gas? Correct Answer 25 feet
A vehicle containing LP-gas that is parked off the street in
an uncongested area must be parked how far from any
building used for assembly? Correct Answer 50 feet from
building
What is the minimum service pressure for a DOT forklift
cylinder? Correct Answer 240
, The markings on a LP-gas motor/mobile fuel container
installed on a vehicle must be readable ______________.
Correct Answer directly or with portable lamp and mirror
What is acceptable protection of engine fuel container
valves, appurtenances, and connections? Correct Answer
location of container and fitted guard
Is it permissible for a motor/mobile fuel container to be
mounted directly on a roof, ahead of the front axle, or
beyond the rear bumper of a vehicle? Correct Answer No
(false).
What are the accessibility requirements for the main liquid
and vapor shutoff valves on an LP-gas motor/mobile fuel
container? Correct Answer No tools and accessible
The relief valve discharge from an LP-gas motor/mobile
fuel container installed on a vehicle must be directed or
vented __________________. Correct Answer depends
on container, exhaust, or vehicle (all of the above)
An LP-gas motor/mobile fuel container installed in a
vehicle's passenger or luggage compartment is required to
be filled __________________. Correct Answer remotely
Where must the diamond-shaped label be located on each
on-road general purpose vehicle powered by LP-gas?
Correct Answer lower right rear or trunk lid
2027 NEWEST QUESTIONS AND
CORRECT ANSWERS | VERIFIED
ANSWERS A+ GRADE
What is the maximum LP-gas capacity of cylinders that
may be transported in a closed-bodied passenger vehicle,
unless the driver's and engine compartments are
separated from the cargo space by a vapor-tight partition?
Correct Answer 90 pounds
Cylinders and their appurtenances must be determined to
be _______ before being loaded into vehicles. Correct
Answer leak-free
Cylinders in transit must be fastened to protect against
what? Correct Answer movement, tipping over, physical
damage
A 100 lb propane container must be transported so the
pressure relief device communicates with what space of
the container? Correct Answer vapor space
What total weight of propane and cylinders requires a
vehicle transporting LP-Gas to be placarded? Correct
Answer more than 1000 pounds
,A flexible hose connector on a cargo tank must be
permanently marked with what information? Correct
Answer date of installation
When must a flexible connector on a cargo tank vehicle be
inspected? Correct Answer before the first delivery each
day
When must a flexible (rubber) hose connector used in the
piping system of a bobtail be replaced? Correct Answer 10
years
What is the minimum fire extinguisher requirement for a
cargo tank motor vehicle? Correct Answer 18 pounds
When are chock blocks for a cargo tank vehicle required
to be used? Correct Answer loaded, unloaded, or parked
Smoking is not permitted within how many feet of a vehicle
containing LP-gas? Correct Answer 25 feet
A vehicle containing LP-gas that is parked off the street in
an uncongested area must be parked how far from any
building used for assembly? Correct Answer 50 feet from
building
What is the minimum service pressure for a DOT forklift
cylinder? Correct Answer 240
, The markings on a LP-gas motor/mobile fuel container
installed on a vehicle must be readable ______________.
Correct Answer directly or with portable lamp and mirror
What is acceptable protection of engine fuel container
valves, appurtenances, and connections? Correct Answer
location of container and fitted guard
Is it permissible for a motor/mobile fuel container to be
mounted directly on a roof, ahead of the front axle, or
beyond the rear bumper of a vehicle? Correct Answer No
(false).
What are the accessibility requirements for the main liquid
and vapor shutoff valves on an LP-gas motor/mobile fuel
container? Correct Answer No tools and accessible
The relief valve discharge from an LP-gas motor/mobile
fuel container installed on a vehicle must be directed or
vented __________________. Correct Answer depends
on container, exhaust, or vehicle (all of the above)
An LP-gas motor/mobile fuel container installed in a
vehicle's passenger or luggage compartment is required to
be filled __________________. Correct Answer remotely
Where must the diamond-shaped label be located on each
on-road general purpose vehicle powered by LP-gas?
Correct Answer lower right rear or trunk lid
