Propane Practice Tests Exam With 100% Correct Answers 2024

PROPANE PRACTICE TESTS EXAM
WITH 100% CORRECT ANSWERS 2024
PROPANE PRACTICE TESTS EXAM WITH 100% CORRECT ANSWERS 2024
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Question 1: mn



According to NFPA 58, what is the maximum allowable filling pressure for a propane cargo tank mot
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or vehicle during the transfer of liquid propane?
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A) 250 psi
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B) 175 psi
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C) 125 psi
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D) 100 psi
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Correct Answer: C) 125 psi
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Question 2: mn



What is the specific gravity of liquid propane (at 60°F) compared to water?
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A) 0.504
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B) 1.52
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C) 0.810
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D) 1.96
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Correct Answer: A) 0.504mn mn mn




Question 3: mn



When performing a leak test on a propane system, what is the maximum allowable pressure drop o
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ver a 10-minute period?
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A) 5 psi
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B) 10 psi
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C) 1 psi
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D) 0 psi (no drop is permitted)
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Correct Answer: D) 0 psi (no drop is permitted)
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Question 4: mn



A 100-pound propane cylinder has a water capacity of approximately how many gallons?
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A) 40 gallons
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B) 25 gallons
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C) 100 gallons
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D) 120 gallons
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Correct Answer: B) 25 gallons (Note: WC is ~24 gallons)
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Question 5: mn



What is the primary purpose of the excess flow valve in a propane service or cylinder valve?
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A) To regulate pressure to the appliance.
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B) To automatically shut off the flow of gas if the line is broken or severed.
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C) To filter impurities from the liquid propane.
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D) To indicate the liquid level in the tank.
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Correct Answer: B) To automatically shut off the flow of gas if the line is broken or severed.
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Question 6: mn



At what temperature does propane boil (convert from a liquid to a vapor) at atmospheric pressure?
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A) -60°F
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B) -44°F
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,C) 32°F
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D) 100°F
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Correct Answer: B) -44°F mn mn mn




Question 7: mn



When setting a 2- mn mn mn



PSI (pounds per square inch) propane system, what is the maximum pressure that can be delivered
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to the structure before the first stage regulator?
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A) 2 PSI
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B) 10 PSI
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C) 250 PSI
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D) Tank pressure (varies with temperature)
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Correct Answer: D) Tank pressure (varies with temperature)
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Question 8: mn



According to DOT regulations, how often must a propane cargo tank (ASME code) be requalified?
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A) Every 5 years
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B) Every 10 years
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C) Every 12 years
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D) They do not require periodic requalification (ASME tanks are not subject to DOT retest dates like
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DOT cylinders).
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Correct Answer: D) They do not require periodic requalification (ASME tanks are not subject to D
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OT retest dates like DOT cylinders).
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Question 9: mn



What is the correct first aid procedure if a person's skin is exposed to liquid propane?
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A) Apply a warm compress to the area.
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B) Rub the affected area vigorously.
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C) Flush the area with large quantities of warm water (not hot) and seek medical attention.
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D) Cover the area with a dry cloth and wait for it to evaporate.
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Correct Answer: C) Flush the area with large quantities of warm water (not hot) and seek medical
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attention.
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Question 10: mn



What is the maximum filling limit (liquid level) for a propane transport truck tank?
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A) 85% of water capacity
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B) 95% of water capacity
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C) 42% of water capacity
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D) 100% of water capacity
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Correct Answer: A) 85% of water capacity
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Question 11: mn



When installing a propane underground tank, what is the minimum required burial depth to the top
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of the tank?
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A) 6 inches
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B) 12 inches
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C) 18 inches
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D) 24 inches
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Correct Answer: B) 12 inches mn mn mn mn




Question 12: mn



What does the term "bleed valve" on a propane tank refer to?
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, A) A valve used to release pressure during filling to allow the tank to be filled to the proper liquid l
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evel.
B) A valve that automatically vents gas if the tank overheats.
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C) A valve used to connect a pressure gauge.
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D) The main service valve for the vapor line.
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Correct Answer: A) A valve used to release pressure during filling to allow the tank to be filled to
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the proper liquid level.
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continue with question 13 to 150 mn mn mn mn mn



Here is the continuation of the PROPANE PRACTICE TESTS EXAM WITH 100% CORRECT ANSWERS 2
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024, picking up from Question 13 through Question 150.
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PROPANE PRACTICE TESTS EXAM WITH 100% CORRECT ANSWERS 2024 (CONTINUED)
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Question 13: mn



What is the minimum required distance between a propane cylinder (over 500 gallons water capacit
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y) and a building's air intake or window?
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A) 3 feet
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B) 5 feet
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C) 10 feet
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D) 25 feet
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Correct Answer: C) 10 feet mn mn mn mn




Question 14: mn



Which odorant is commonly added to propane to give it a distinct smell?
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A) Methanethiol (methyl mercaptan)
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B) Ethyl alcohol
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C) Chlorine
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D) Sulfur dioxide
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Correct Answer: A) Methanethiol (methyl mercaptan)
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Question 15: mn



What is the expansion ratio of liquid propane to vapor at 60°F?
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A) 1:50
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B) 1:100
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C) 1:270
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D) 1:800
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Correct Answer: C) 1:270 mn mn mn




Question 16: mn



According to NFPA 58, what is the minimum distance a portable propane cylinder must be placed fr
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om a building opening during filling?
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A) 5 feet
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B) 10 feet
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C) 15 feet
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D) 25 feet
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Correct Answer: B) 10 feet mn mn mn mn




Question 17: mn



What type of regulator is used to reduce tank pressure (up to 250 psi) to an intermediate pressure
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of about 10 psi?
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A) First-stage regulator
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B) Second-stage regulator
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