CETP Pre-Certification Review 100%
CORRECT ANSWERS 2023/2024
Propane has many advantages as a fuel source, including: - -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: - -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? - -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: - -A. Lighter than air
B. The same as air
C. Heavier than air.
D. The same as natural gas
-Liquid propane is: - -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: -
-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 : - -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. - -A. Pressure
B. Heater
C. Ventilator
D. Equalizer
-Gas warning agents (odorants) are added to propane to: - -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: - -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: - -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: - -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: - -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 gas-air mixture? - -A. 1 part
propane to 24 parts air
B. 10 parts propane to 20 parts air
C. 25 parts propane to 15 parts air
D. 50 parts propane to 5 parts air
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