CETP Pre-Certification Review Exam With
100% Correct Answers 2026
Propane has many advantages as a fuel source, including:
- Correct Answer-A. It burns slowly because of
its low pump-octane
B. It is stationary and non-portable
C. It is a clean-burning, non-toxic fuel
D. It leaves a high-residue as it burns
If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the
best action is to:
- Correct Answer-A. Say nothing, gather up his or her tools and supplies, and quietly
leave the site
B. Attempt to perform the task to the best of his or her abilities
C. Promise the customer that he or she will return once trained.
D. Tell the customer that he or she cannot perform the task, but will work on getting a technician who
can
Propane differs form butane in which of the following ways?
- Correct Answer-A. Propane vaporizes at
temperatures above -44 F; butane vaporizes above 32 F
B. A gallon of propane is heavier than a gallon of butane
C. Propane has a lower vapor pressure than butane when the liquid us at the same temperature
D. When burned, propane produces more heat than an equal amount of butane
Propane vapor is:- Correct Answer-A. Lighter than air
B. The same as air
C. Heavier than air.
D. The same as natural gas
Liquid propane is:- Correct Answer-A. Light than water
B. The same as water
C. Heavier than water
D. Stable in water
When room-temperature propane is released into the air, it immediately:
- Correct Answer-A. Contracts
B. Vaporizes
C. Condenses
D. Freezes
, The term for the amount of heat needed to raise the temperature of one pound of water 1 F is- called a :
Correct Answer-A. CFT
B. PHD
C. CPR
D. BTU
While in a closed container, propane must be under _____ while at room temperature to keep it in liquid
form. - Correct Answer-A. Pressure
B. Heater
C. Ventilator
D. Equalizer
Gas warning agents (odorants) are added to propane - Correct
to: Answer-A. Make the gas last longer
B. Make the gas detectable if it leaks into the air
C. Add a pleasant smell to the burning fuel
D. Make the has more reactive and cimbustible
Propane odorants are: - Correct Answer-A. Pleasant-smelling and barely detectable
B. Bitter-smelling and corrosive
C. Distinctive smelling and nontoxic
D. Non-burning and colorful
An effective way to prevent odorant fade in new containers, or in those that have been open to the
atmosphere is to:
- Correct Answer-A. Open valves on containers in storage
B. Purge containers and keep them pressurized until installed
C. Remove odorant from containers in use
D. Increase the water content in contrainers
A customer calls in to report a strong smell of gas at the site. A proper response for the employee to give
the customer would be to:- Correct Answer-A. Schedule an appointment for a technician to come and
check it out
B. Purchase a gas detector and monitor the readings
C> Ask the neighbors if they can also smell the gas
D. Evacuate the structure and keep a safe distance away
The three ingredients necessary for combustion -are:
Correct Answer-A. Nitrogen, pressure, and heat
B. Fuel, oxygen, and an ignition source
C. Gas, Liquid, and a solid
D. Vapor, flame, and air
Propane burns most efficiently at which-air
gasmixture?- Correct Answer-A. 1 part propane to 24 parts
air
B. 10 parts propane to 20 parts air
100% Correct Answers 2026
Propane has many advantages as a fuel source, including:
- Correct Answer-A. It burns slowly because of
its low pump-octane
B. It is stationary and non-portable
C. It is a clean-burning, non-toxic fuel
D. It leaves a high-residue as it burns
If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the
best action is to:
- Correct Answer-A. Say nothing, gather up his or her tools and supplies, and quietly
leave the site
B. Attempt to perform the task to the best of his or her abilities
C. Promise the customer that he or she will return once trained.
D. Tell the customer that he or she cannot perform the task, but will work on getting a technician who
can
Propane differs form butane in which of the following ways?
- Correct Answer-A. Propane vaporizes at
temperatures above -44 F; butane vaporizes above 32 F
B. A gallon of propane is heavier than a gallon of butane
C. Propane has a lower vapor pressure than butane when the liquid us at the same temperature
D. When burned, propane produces more heat than an equal amount of butane
Propane vapor is:- Correct Answer-A. Lighter than air
B. The same as air
C. Heavier than air.
D. The same as natural gas
Liquid propane is:- Correct Answer-A. Light than water
B. The same as water
C. Heavier than water
D. Stable in water
When room-temperature propane is released into the air, it immediately:
- Correct Answer-A. Contracts
B. Vaporizes
C. Condenses
D. Freezes
, The term for the amount of heat needed to raise the temperature of one pound of water 1 F is- called a :
Correct Answer-A. CFT
B. PHD
C. CPR
D. BTU
While in a closed container, propane must be under _____ while at room temperature to keep it in liquid
form. - Correct Answer-A. Pressure
B. Heater
C. Ventilator
D. Equalizer
Gas warning agents (odorants) are added to propane - Correct
to: Answer-A. Make the gas last longer
B. Make the gas detectable if it leaks into the air
C. Add a pleasant smell to the burning fuel
D. Make the has more reactive and cimbustible
Propane odorants are: - Correct Answer-A. Pleasant-smelling and barely detectable
B. Bitter-smelling and corrosive
C. Distinctive smelling and nontoxic
D. Non-burning and colorful
An effective way to prevent odorant fade in new containers, or in those that have been open to the
atmosphere is to:
- Correct Answer-A. Open valves on containers in storage
B. Purge containers and keep them pressurized until installed
C. Remove odorant from containers in use
D. Increase the water content in contrainers
A customer calls in to report a strong smell of gas at the site. A proper response for the employee to give
the customer would be to:- Correct Answer-A. Schedule an appointment for a technician to come and
check it out
B. Purchase a gas detector and monitor the readings
C> Ask the neighbors if they can also smell the gas
D. Evacuate the structure and keep a safe distance away
The three ingredients necessary for combustion -are:
Correct Answer-A. Nitrogen, pressure, and heat
B. Fuel, oxygen, and an ignition source
C. Gas, Liquid, and a solid
D. Vapor, flame, and air
Propane burns most efficiently at which-air
gasmixture?- Correct Answer-A. 1 part propane to 24 parts
air
B. 10 parts propane to 20 parts air
