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UPDATED EPA 608 QUIZLET (2023) QUESTIONS WITH CORRECT ANSWERS RESPECTIVELY.
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UPDATED EPA 608 QUIZLET (2023) QUESTIONS WITH CORRECT ANSWERS RESPECTIVELY.
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UPDATED EPA 608 QUIZLET (2023)QUESTIONS WITH CORRECT ANSWERS
RESPECTIVELY.
the state of the refrigerant entering the metering device is? ANS - A subcooled high pressure liquid.
what type of refrigerant is used in VERY high-pressure appliances? ANS - R-503
what type of refrigerant is used in MEDIUM pressure appliances? ANS - R-500
what type of refrigerant is used in HIGH pressure appliances? ANS - R-410A and R-22
what device is located at the END of the liquid line? ANS - The expansion device.
what type of refrigerants are the LEAST harmful to the ozone layer? ANS - HFC refrigerants.
How much money does the EPA offer to individuals who report information about others who vent
refrigerants into the atmosphere? ANS - $10,000.
which class of refrigerants does R-22 fall into? ANS - The HCFC class. (hydrochloroflurocarbons)
which gas should be used when checking for leaks in various systems? ANS - Nitrogen.
which term describes the process of changing a refrigerant from a liquid to a gas using HEAT? ANS -
Latent heat.
refrigerants in the SUCTION line are in what phase and state? ANS - Cold vapor.
, how many miles above the Earth's surface does the ozone layer in the stratosphere extend? ANS - 31
miles.
what year was the Montreal Protocol put in place? ANS - 1989.
refrigerant recovery equipment should be checked for (blank) on a daily basis? ANS - Refrigerant leaks
and oil levels.
should recovery machines be used on equipment that contains hydrogen? ANS - NO.
which purity test is used to determine the type of refrigerant? ANS - ARI 700.
what type of unit only requires ONE service connection? ANS - self-contained recovery units.
air will cause (blank) discharge pressures in a refrigeration system. ANS - Higher.
a strong odor is around during the recovery process. what is most likely the cause of this? ANS - A
compressor burnout.
what is the best way (position) to transport refrigeration cylinders? ANS - Upright.
you can only accurately read refrigerant pressure with a stable (blank)? ANS - Temperature.
an explosion can occur if (blank) is vented in an enclosed environment? ANS - Hydrogen.
can refrigerants be mixed in a recovery tank? ANS - NO.
what is the state of refrigerant leaving the liquid receiver? ANS - High pressure liquid.
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