PROPANE COMPREHENSIVE EXAM
QUESTIONS AND SOLUTIONS GRADED A
✔✔The proper total weight of the filled cylinder is equal to tare weight plus: - ✔✔42% of
water capacity plus hose & nozzle weight
✔✔A cylinder that is accidentally overfilled should be: - ✔✔Set aside in a safe place and
the supervisor contacted
✔✔DOT requires that cylinders be clearly labeled with - ✔✔Shipping name and hazard
class
✔✔Consumer information/warning labels must be on all portable refillable cylinders of
____ pounds propane capacity or less not filled on site - ✔✔100
✔✔NFPA 58 limits closed-bodied vehicles such as passenger cars and vans to
maximum of ________ pounds propane capacity, with no single container having a
capacity of more than ________ pounds - ✔✔90, 45
✔✔If a cylinder warning label is not legible, _______________ before releasing the
cylinder to the customer - ✔✔place a new one on it
✔✔Cylinders should be positioned in customer vehicles so that the __________ is in
communication with the vapor space - ✔✔Pressure relief valve
✔✔New cylinders that have not been vaccum purged by the manufacturer and cylinders
that have been opened to the atmosphere must be ______________, usuall y at a
propane plant, prior to filling - ✔✔Purged of air or moisture
✔✔Forklift cylinders typically hold _______ pounds of propane - ✔✔33
✔✔A __________ functions as the cylinder's supporting stand or base - ✔✔Footring
✔✔The purpose of the O-ring inside the forklift connector is to provide _____gas-tight
seal_____ - ✔✔a gas-tight seal
✔✔Pressure relief valves should be directed upward at a _____ degree angle on fork-
lifted cylinders. - ✔✔45
✔✔Relief valves on forklift cylinders must be replaced within _______ years of the
cylinder's manufacture date and every ten years thereafter - ✔✔12
, ✔✔They fixed maximum liquid level gauge is ________ when filling a forklift cylinder by
volume - ✔✔Opened
✔✔For a DOT-4BA240 specification cylinder, the number "240" indicates the cylinder -
✔✔service pressure
✔✔If there is no letter following the date stamped on the cylinder, it indicates
requalification is required within ___________ years - ✔✔12
✔✔Leaks, cracks or bulging are often discovered during a cylinder _______ inspection -
✔✔pre-fill
✔✔When a steady white stream is emitted from the fixed maximum liquid level guage,
the next step is to immediately - ✔✔Close the hose end valve
✔✔A ___________________ is used to properly position the cylinder on the forklift -
✔✔Locating pin
✔✔When filling forklift cylinders by weight, it is important to - ✔✔Verify that the cylinder
is not overfilled at the conclusion of the filling process
✔✔Tare weight is required when calculating cylinder filling by ________________ -
✔✔weight
✔✔When changing out a forklift cylinder, the cylinder service valve should be
___________ prior to making the hose connection to the cylinder - ✔✔Closed
✔✔The locating pin on the forklift is used to - ✔✔Properly position the cylinder on the
forklift
✔✔When filling cylinders by weight, the ___________ is used to determine that the
cylinder has reached its maximum permitted filling level - ✔✔Scale
✔✔When filling forklift cylinders by volume, once a white mist is emitted from the fixed
maximum liquid level gauge, the ___________ must be immediately shut off - ✔✔Hose
End Valve
✔✔Permanently mounted mobile motor fuel and RV tanks are built to ______________
specifications - ✔✔ASME
✔✔Working pressure for motor fuel tanks is usually ______________ pounds per
square per inch (PSI) - ✔✔250/312
QUESTIONS AND SOLUTIONS GRADED A
✔✔The proper total weight of the filled cylinder is equal to tare weight plus: - ✔✔42% of
water capacity plus hose & nozzle weight
✔✔A cylinder that is accidentally overfilled should be: - ✔✔Set aside in a safe place and
the supervisor contacted
✔✔DOT requires that cylinders be clearly labeled with - ✔✔Shipping name and hazard
class
✔✔Consumer information/warning labels must be on all portable refillable cylinders of
____ pounds propane capacity or less not filled on site - ✔✔100
✔✔NFPA 58 limits closed-bodied vehicles such as passenger cars and vans to
maximum of ________ pounds propane capacity, with no single container having a
capacity of more than ________ pounds - ✔✔90, 45
✔✔If a cylinder warning label is not legible, _______________ before releasing the
cylinder to the customer - ✔✔place a new one on it
✔✔Cylinders should be positioned in customer vehicles so that the __________ is in
communication with the vapor space - ✔✔Pressure relief valve
✔✔New cylinders that have not been vaccum purged by the manufacturer and cylinders
that have been opened to the atmosphere must be ______________, usuall y at a
propane plant, prior to filling - ✔✔Purged of air or moisture
✔✔Forklift cylinders typically hold _______ pounds of propane - ✔✔33
✔✔A __________ functions as the cylinder's supporting stand or base - ✔✔Footring
✔✔The purpose of the O-ring inside the forklift connector is to provide _____gas-tight
seal_____ - ✔✔a gas-tight seal
✔✔Pressure relief valves should be directed upward at a _____ degree angle on fork-
lifted cylinders. - ✔✔45
✔✔Relief valves on forklift cylinders must be replaced within _______ years of the
cylinder's manufacture date and every ten years thereafter - ✔✔12
, ✔✔They fixed maximum liquid level gauge is ________ when filling a forklift cylinder by
volume - ✔✔Opened
✔✔For a DOT-4BA240 specification cylinder, the number "240" indicates the cylinder -
✔✔service pressure
✔✔If there is no letter following the date stamped on the cylinder, it indicates
requalification is required within ___________ years - ✔✔12
✔✔Leaks, cracks or bulging are often discovered during a cylinder _______ inspection -
✔✔pre-fill
✔✔When a steady white stream is emitted from the fixed maximum liquid level guage,
the next step is to immediately - ✔✔Close the hose end valve
✔✔A ___________________ is used to properly position the cylinder on the forklift -
✔✔Locating pin
✔✔When filling forklift cylinders by weight, it is important to - ✔✔Verify that the cylinder
is not overfilled at the conclusion of the filling process
✔✔Tare weight is required when calculating cylinder filling by ________________ -
✔✔weight
✔✔When changing out a forklift cylinder, the cylinder service valve should be
___________ prior to making the hose connection to the cylinder - ✔✔Closed
✔✔The locating pin on the forklift is used to - ✔✔Properly position the cylinder on the
forklift
✔✔When filling cylinders by weight, the ___________ is used to determine that the
cylinder has reached its maximum permitted filling level - ✔✔Scale
✔✔When filling forklift cylinders by volume, once a white mist is emitted from the fixed
maximum liquid level gauge, the ___________ must be immediately shut off - ✔✔Hose
End Valve
✔✔Permanently mounted mobile motor fuel and RV tanks are built to ______________
specifications - ✔✔ASME
✔✔Working pressure for motor fuel tanks is usually ______________ pounds per
square per inch (PSI) - ✔✔250/312
