PROPANE TEST QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS LATEST UPDATED
2026/2027
Question 1
NFPA 58 is also known as the...
Answer: LP-Gas Code
Question 2
Which of the following subjects is covered in DOT (Department of
Transportation) regulations?
Answer: Cylinder markings and labeling (as well as cylinder design,
construction, and transport standards).
Question 3
An important subject covered in OSHA regulations is...
Answer: Personal Protective Equipment (PPE) (as well as workplace
hazards, hazard communication, and safety standards).
Question 4
What is an MSDS (Material Safety Data Sheet)?
Answer: An information bulletin that alerts you to properties and
health hazards of propane. (Note: Modern OSHA regulations now refer to
this simply as an SDS or Safety Data Sheet).
Question 5
What is added to propane to increase the likelihood that a leak will be
detected?
Answer: Odorant (typically Ethyl Mercaptan, giving it a distinctive "rotten
egg" smell).
Question 6
, Liquid propane will __________ when heat is added to it.
Answer: Expand
Question 7
In order to allow for liquid expansion, propane containers are typically filled
to what percentage of their capacity?
Answer: 80%
Question 8
Propane liquid released into the air will expand to how many times its original
volume as a vapor?
Answer: 270 times
Refrigerating effect -ANSWER ✔✔Gloves and other PPE are required when
filling containers because of the __________ of liquid propane.
An ignition source -ANSWER ✔✔The proper mixture of propane vapor, air and
__________ is needed fir propane to burn.
Annually -ANSWER ✔✔OSHA requires employees to be trained on fire
extinguisher use immediately upon hiring and __________ thereafter.
Turned off -ANSWER ✔✔In an emergency where there is a propane fire, flames
should not be extinguished unless the fuel supply can be __________.
ASME storage tank -ANSWER ✔✔Most propane dispensers include a(n)
__________ that supplies propane to the dispensing equipment.
ANSWERS WITH COMPLETE
SOLUTIONS LATEST UPDATED
2026/2027
Question 1
NFPA 58 is also known as the...
Answer: LP-Gas Code
Question 2
Which of the following subjects is covered in DOT (Department of
Transportation) regulations?
Answer: Cylinder markings and labeling (as well as cylinder design,
construction, and transport standards).
Question 3
An important subject covered in OSHA regulations is...
Answer: Personal Protective Equipment (PPE) (as well as workplace
hazards, hazard communication, and safety standards).
Question 4
What is an MSDS (Material Safety Data Sheet)?
Answer: An information bulletin that alerts you to properties and
health hazards of propane. (Note: Modern OSHA regulations now refer to
this simply as an SDS or Safety Data Sheet).
Question 5
What is added to propane to increase the likelihood that a leak will be
detected?
Answer: Odorant (typically Ethyl Mercaptan, giving it a distinctive "rotten
egg" smell).
Question 6
, Liquid propane will __________ when heat is added to it.
Answer: Expand
Question 7
In order to allow for liquid expansion, propane containers are typically filled
to what percentage of their capacity?
Answer: 80%
Question 8
Propane liquid released into the air will expand to how many times its original
volume as a vapor?
Answer: 270 times
Refrigerating effect -ANSWER ✔✔Gloves and other PPE are required when
filling containers because of the __________ of liquid propane.
An ignition source -ANSWER ✔✔The proper mixture of propane vapor, air and
__________ is needed fir propane to burn.
Annually -ANSWER ✔✔OSHA requires employees to be trained on fire
extinguisher use immediately upon hiring and __________ thereafter.
Turned off -ANSWER ✔✔In an emergency where there is a propane fire, flames
should not be extinguished unless the fuel supply can be __________.
ASME storage tank -ANSWER ✔✔Most propane dispensers include a(n)
__________ that supplies propane to the dispensing equipment.
