MODULE REVIEW - PROPANE
CYLINDERS AND VAPORIZERS
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT LATEST UPDATED 2026
At what temperature does liquid propane exhibit a specific gravity of 0.51?
a. -42.2°C
b. 0°C
c. 15.5°C ✔✔
d. 44°C
Answer: c. 15.5°C ✔✔
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Which safety device automatically halts or limits gas flow if a downstream line
ruptures?
a. A limit control switch
b. An excess flow valve ✔✔
c. A globe valve
d. A pressure relief valve
Answer: b. An excess flow valve ✔✔
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What is the safety regulation regarding damaged LP gas cylinders?
a. They cannot be refilled ✔✔
b. They can be filled up to 8% of capacity
c. They can be filled up to 42% of capacity
d. Either b or c depending on damage level
Answer: a. They cannot be refilled ✔✔
all of the above -ANSWER ✔✔Which of the following can be used in a propane
distribution system.
a)
threaded steel bushings
b)
threaded galvanized reducing couplings
c)
, 'sweat' copper bushings
d)
all of the above
none of the above -ANSWER ✔✔What agency rates propane cylinders?
a)
CGA
b)
CSA
c)
ULC
d)
none of the above
A 'single-trip' propane cylinder -ANSWER ✔✔Of the following, which can be
stored in a building?
a)
A cylinder containing less than 5 lbs. of propane.
b)
A 'single-trip' propane cylinder
c)
Any empty propane cylinder.
d)
None of the above is allowed.
50 degrees C -ANSWER ✔✔Cylinders in storage shall be protected from
temperatures in excess of:
a)
20 degrees C
b)
25 degrees C
c)
30 degrees C
d)
50 degrees C
three -ANSWER ✔✔How many propane cylinders can be stored in a dwelling?
a)
none
CYLINDERS AND VAPORIZERS
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT LATEST UPDATED 2026
At what temperature does liquid propane exhibit a specific gravity of 0.51?
a. -42.2°C
b. 0°C
c. 15.5°C ✔✔
d. 44°C
Answer: c. 15.5°C ✔✔
═════════════════════════════════════════════
Which safety device automatically halts or limits gas flow if a downstream line
ruptures?
a. A limit control switch
b. An excess flow valve ✔✔
c. A globe valve
d. A pressure relief valve
Answer: b. An excess flow valve ✔✔
═════════════════════════════════════════════
What is the safety regulation regarding damaged LP gas cylinders?
a. They cannot be refilled ✔✔
b. They can be filled up to 8% of capacity
c. They can be filled up to 42% of capacity
d. Either b or c depending on damage level
Answer: a. They cannot be refilled ✔✔
all of the above -ANSWER ✔✔Which of the following can be used in a propane
distribution system.
a)
threaded steel bushings
b)
threaded galvanized reducing couplings
c)
, 'sweat' copper bushings
d)
all of the above
none of the above -ANSWER ✔✔What agency rates propane cylinders?
a)
CGA
b)
CSA
c)
ULC
d)
none of the above
A 'single-trip' propane cylinder -ANSWER ✔✔Of the following, which can be
stored in a building?
a)
A cylinder containing less than 5 lbs. of propane.
b)
A 'single-trip' propane cylinder
c)
Any empty propane cylinder.
d)
None of the above is allowed.
50 degrees C -ANSWER ✔✔Cylinders in storage shall be protected from
temperatures in excess of:
a)
20 degrees C
b)
25 degrees C
c)
30 degrees C
d)
50 degrees C
three -ANSWER ✔✔How many propane cylinders can be stored in a dwelling?
a)
none
