CETP Pre-Certification Review Questions

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Propane has many advantages as a fuel source, including: A. It burns slowly because of its low p ump-
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octane

B. It is stationary and non-portable
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C. It is a clean-burning, non-toxicBfuel
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D. It leaves a high-residue as it burns
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If a service technician is asked to perform a task that he or she is not fully trained or qualified fo r, the
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best action isto: A. Say nothing, gather up his or her toolsand supplies, and quietlyleave t he site
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B. Attempt to perform the taskBto the bestof his or her abilities
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C.Promise the customer that he or she will return once trained.
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D.Tell the customer thathe orshecannotperform the task, butwill workon getting a technicia n who
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can
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Propane differs form butane in which of the following ways? A. Propane vaporizes at temperatu res
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above -44 F; butane vaporizes above 32 F
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B.A gallon of propane isheavier than a gallon of butane
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C.Propane has a lower vapor pressure than butane when the liquid us at the same temperature
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D.When burned, propane produces more heat than anequal amount of butane
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Propane vapor is: A. Lighter than air bb bb bb bb bb bb




B. The same as air
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C. Heavier than air.
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D. The same as natural gas
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, Liquid propane is: A. Light than water
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B. The same as water
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C. Heavier than water
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D. Stable in water
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Whenroom-temperaturepropaneisreleased intotheair,itimmediately:A.Contracts
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B. Vaporizes
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C. Condenses
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D.Freezes bb




The term for the amount of heat needed to raise the temperature of one pound of water 1 F is c alled a :
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A. CFT
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B. PHD bb




C. CPR bb




D.BTU bb




While in a closed container, propane must be under
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liquid form. A. Pressure
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B. Heater bb




C. Ventilator
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D.Equalizer bb




Gaswarning agents (odorants)are addedto propane to: A. Make thegas last longer
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B. Make the gasdetectable if it leaks into the air
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C. Add a pleasant smell to the burning fuel
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D.Make the has more reactive and cimbustible
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