CTR 156CT Propane Final Exam Latest
2025-2026 Questions and Correct
Answers Graded A+|Assured Success
When filling by volume the meter register is used to determine when the cylinder is full of
liquid propane. - CORRECT ANSWER-False
Gloves and other PPE are required when filling containers because of the ______ of liquid
propane. - CORRECT ANSWER-refrigerating effect (potential for freeze burns)
Before filling a cylinder, verify that it is a propane cylinder by ___________. - CORRECT
ANSWER-reviewing the cylinder design code specification markings on the cylinder
, How many times do you need to complete the purging process? - CORRECT ANSWER-5
If a nozzle with a threaded connection is being used, it must be firmly attached and properly
threaded before beginning the any filling process. - CORRECT ANSWER-True
How far from the propane dispenser do you need to evacuate in the event of an uncontrolled
release? - CORRECT ANSWER-330 ft
New cylinders that have NOT been vacuum-purged by the manufacturer and cylinders that have
been opened to the atmosphere must be _______ prior to filling. - CORRECT ANSWER-
purged of air or moisture
How do you know when an ASME tank is full? (Select all that apply.) - CORRECT
ANSWER-A steady white mist is emitted from the fixed maximum liquid level gauge
The overfill protection device stops the flow
Which of the following is typically NOT the responsibility of a propane dispenser operator? -
CORRECT ANSWER-Cylinder requalification
If a cylinder warning label is not legible or if the paper or plastic sleeve is removed during
inspection, __________________ before releasing the cylinder to the customer. - CORRECT
ANSWER-Place a new one on it.
2025-2026 Questions and Correct
Answers Graded A+|Assured Success
When filling by volume the meter register is used to determine when the cylinder is full of
liquid propane. - CORRECT ANSWER-False
Gloves and other PPE are required when filling containers because of the ______ of liquid
propane. - CORRECT ANSWER-refrigerating effect (potential for freeze burns)
Before filling a cylinder, verify that it is a propane cylinder by ___________. - CORRECT
ANSWER-reviewing the cylinder design code specification markings on the cylinder
, How many times do you need to complete the purging process? - CORRECT ANSWER-5
If a nozzle with a threaded connection is being used, it must be firmly attached and properly
threaded before beginning the any filling process. - CORRECT ANSWER-True
How far from the propane dispenser do you need to evacuate in the event of an uncontrolled
release? - CORRECT ANSWER-330 ft
New cylinders that have NOT been vacuum-purged by the manufacturer and cylinders that have
been opened to the atmosphere must be _______ prior to filling. - CORRECT ANSWER-
purged of air or moisture
How do you know when an ASME tank is full? (Select all that apply.) - CORRECT
ANSWER-A steady white mist is emitted from the fixed maximum liquid level gauge
The overfill protection device stops the flow
Which of the following is typically NOT the responsibility of a propane dispenser operator? -
CORRECT ANSWER-Cylinder requalification
If a cylinder warning label is not legible or if the paper or plastic sleeve is removed during
inspection, __________________ before releasing the cylinder to the customer. - CORRECT
ANSWER-Place a new one on it.
