CTR 156CT Propane Final Exam Questions with Complete Solutions Latest Update 2024-2025 (100%
Pass)
If you see an "S" next to the date on a cylinder, that means the cylinder must be requalified _________
from that date. - Answers 10 years
____________ control the flow of propane through the piping system of a dispenser. - Answers Valves
At room temperature, propane is in what state? - Answers Gas
Make sure there are no ignition sources within _______ feet of the autogas filling area. - Answers 25
When filling a cylinder by volume and a white mist begins to escape from the fixed maximum liquid level
gauge, you need to immediately __________. - Answers close the hose end valve
The permanent marking "4BA240" tells you that the cylinder is made of ___________. - Answers Alloy
steel
A person can be inside a motorhome while the tank is being filled. - Answers False
___________________ is added to propane to increase the likelihood that a leak will be detected. -
Answers Odorant
Propane autogas dispensing systems typically use a ________ to fuel the vehicle. - Answers gasoline-
style, low-emission nozzle
When filling a cylinder by volume, the cylinder will be full when ________. - Answers white mist begins
to escape from the fixed maximum liquid level gauge.
A customer walks up to your propane filling station to buy Autogas for his vehicle. Can you sell him a
20lb cylinder to take back to the car to fill it where it ran out of fuel? - Answers No
Only use fire extinguishers to create an escape route — NOT to fight a propane fire. - Answers True
Cylinders may not be filled if they are past their ___________________ date. - Answers Re-qualification
All vehicle-mounted ASME tanks are equipped with a(n) ________. (Select all that apply.) - Answers
fixed maximum liquid level gauge
relief valve
ASME data plate
Which valves do you open on the ASME tank during filling? (Select all that apply.) - Answers Tank filler
valve
, Fixed maximum liquid level gauge
Leaks, cracks, or bulging are often discovered during a ____________ cylinder inspection. - Answers pre-
fill
The fire extinguisher at the dispenser is used to extinguish propane fires. - Answers False
What are the properties of Propane? (Select all that apply.) - Answers Odorless
Nontoxic
Colorless
Flammable
When filling a cylinder by weight, the scale set point should equal the _______. - Answers tare weight +
propane capacity (lb) + hose and fitting weight
Propane is commonly used for? (Select all that apply.) - Answers Water heating
Grilling
Clothes drying
Space heating
Which of the following are part of the shutdown procedure? (Select all that apply.) - Answers Dispenser
operating valves are closed.
Transfer hoses are secured.
Dispenser cabinet is locked.
Tank valves are closed.
When filling by volume the meter register is used to determine when the cylinder is full of liquid
propane. - Answers False
Gloves and other PPE are required when filling containers because of the ______ of liquid propane. -
Answers refrigerating effect (potential for freeze burns)
Before filling a cylinder, verify that it is a propane cylinder by ___________. - Answers reviewing the
cylinder design code specification markings on the cylinder
How many times do you need to complete the purging process? - Answers 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. - Answers True
Pass)
If you see an "S" next to the date on a cylinder, that means the cylinder must be requalified _________
from that date. - Answers 10 years
____________ control the flow of propane through the piping system of a dispenser. - Answers Valves
At room temperature, propane is in what state? - Answers Gas
Make sure there are no ignition sources within _______ feet of the autogas filling area. - Answers 25
When filling a cylinder by volume and a white mist begins to escape from the fixed maximum liquid level
gauge, you need to immediately __________. - Answers close the hose end valve
The permanent marking "4BA240" tells you that the cylinder is made of ___________. - Answers Alloy
steel
A person can be inside a motorhome while the tank is being filled. - Answers False
___________________ is added to propane to increase the likelihood that a leak will be detected. -
Answers Odorant
Propane autogas dispensing systems typically use a ________ to fuel the vehicle. - Answers gasoline-
style, low-emission nozzle
When filling a cylinder by volume, the cylinder will be full when ________. - Answers white mist begins
to escape from the fixed maximum liquid level gauge.
A customer walks up to your propane filling station to buy Autogas for his vehicle. Can you sell him a
20lb cylinder to take back to the car to fill it where it ran out of fuel? - Answers No
Only use fire extinguishers to create an escape route — NOT to fight a propane fire. - Answers True
Cylinders may not be filled if they are past their ___________________ date. - Answers Re-qualification
All vehicle-mounted ASME tanks are equipped with a(n) ________. (Select all that apply.) - Answers
fixed maximum liquid level gauge
relief valve
ASME data plate
Which valves do you open on the ASME tank during filling? (Select all that apply.) - Answers Tank filler
valve
, Fixed maximum liquid level gauge
Leaks, cracks, or bulging are often discovered during a ____________ cylinder inspection. - Answers pre-
fill
The fire extinguisher at the dispenser is used to extinguish propane fires. - Answers False
What are the properties of Propane? (Select all that apply.) - Answers Odorless
Nontoxic
Colorless
Flammable
When filling a cylinder by weight, the scale set point should equal the _______. - Answers tare weight +
propane capacity (lb) + hose and fitting weight
Propane is commonly used for? (Select all that apply.) - Answers Water heating
Grilling
Clothes drying
Space heating
Which of the following are part of the shutdown procedure? (Select all that apply.) - Answers Dispenser
operating valves are closed.
Transfer hoses are secured.
Dispenser cabinet is locked.
Tank valves are closed.
When filling by volume the meter register is used to determine when the cylinder is full of liquid
propane. - Answers False
Gloves and other PPE are required when filling containers because of the ______ of liquid propane. -
Answers refrigerating effect (potential for freeze burns)
Before filling a cylinder, verify that it is a propane cylinder by ___________. - Answers reviewing the
cylinder design code specification markings on the cylinder
How many times do you need to complete the purging process? - Answers 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. - Answers True
