CETP Pre-Certification Review Exam 2023 Questions and Answers with complete solution
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CETP Pre-Certification
Propane has many advantages as a fuel source, including: - CORRECT ANS 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...
CETP Pre -Certification Review Exam 2023 Questions and Answers with complete solution Propane has many advantages as a fuel source, including: - CORRECT ANS 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 o r qualified for, the best action is to: - CORRECT ANS 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 re turn 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 ANS A. Propane vaporizes at temperatures above -44 F; b utane 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 Prop ane vapor is: - CORRECT ANS A. Lighter than air B. The same as air C. Heavier than air. D. The same as natural gas Liquid propane is: - CORRECT ANS A. Light than water B. The same as water C. Heavier than water D. Stable in water When room -temper ature propane is released into the air, it immediately: - CORRECT ANS 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 ANS 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 f orm. - CORRECT ANS A. Pressure B. Heater C. Ventilator D. Equalizer Gas warning agents (odorants) are added to propane to: - CORRECT ANS A. Make the gas last longer B. Make the gas detectable if it leaks into the air CETP Pre -Certification Review Exam 2023 Questions and Answers with complete solution C. Add a pleasant smell to th e burning fuel D. Make the has more reactive and cimbustible Propane odorants are: - CORRECT ANS 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 ANS A. Open valves on containers in storage B. Purge containers and keep them pressurized until installed C. Remove odorant from containe rs 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 ANS A. Schedule an appointment for a technician to c ome 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 ANS 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? - CORRECT ANS 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 Incomplete combustion of propane results in: - CORRECT ANS A. Excessive heat production B. Conversion of propa ne to oxygen C. Inefficient use of fuel and harmful byproducts D. Inability of the propane to burn Complete propane combustion result sin the production of water vapor and carbon dioxide, while incomplete propane combustion produces: - CORRECT ANS A. Carbon dioxide, ethanol, and ash B. Oxygen, nitrogen, and smoke C. Carbon monoxide, aldehydes, and soot D. Oxygen, propylene, and carbon Carbon monoxide gas is: - CORRECT ANS A. Pinkish, sweet -smelling, and thick B. Bitter -tasting with an acrid smell C. Foggy, damp, and funny -smelling D. Odorless, colorless, and tasteless
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