UPDATED EPA 608 QUIZLET (2024) Questions And Answers Graded A+.
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Course
UPDATED EPA 608
Institution
UPDATED EPA 608
UPDATED EPA 608 QUIZLET (2024) Questions And Answers Graded A+.
the state of the refrigerant entering the metering device is? - correct answer. A subcooled high pressure liquid.
what type of refrigerant is used in VERY high-pressure appliances? - correct answer. R-503
what ty...
UPDATED EPA 608 QUIZLET (2024)
Questions And Answers Graded A+.
the state of the refrigerant entering the metering device is? - correct answer. A
subcooled high pressure liquid.
what type of refrigerant is used in VERY high-pressure appliances? - correct answer.
R-503
what type of refrigerant is used in MEDIUM pressure appliances? - correct answer. R-
500
what type of refrigerant is used in HIGH pressure appliances? - correct answer. R-
410A and R-22
what device is located at the END of the liquid line? - correct answer. The expansion
device.
what type of refrigerants are the LEAST harmful to the ozone layer? - correct answer.
HFC refrigerants.
How much money does the EPA offer to individuals who report information about others
who vent refrigerants into the atmosphere? - correct answer. $10,000.
which class of refrigerants does R-22 fall into? - correct answer. The HCFC class.
(hydrochloroflurocarbons)
which gas should be used when checking for leaks in various systems? - correct
answer. Nitrogen.
which term describes the process of changing a refrigerant from a liquid to a gas using
HEAT? - correct answer. Latent heat.
refrigerants in the SUCTION line are in what phase and state? - correct answer. Cold
vapor.
, how many miles above the Earth's surface does the ozone layer in the stratosphere
extend? - correct answer. 31 miles.
what year was the Montreal Protocol put in place? - correct answer. 1989.
refrigerant recovery equipment should be checked for (blank) on a daily basis? - correct
answer. Refrigerant leaks and oil levels.
should recovery machines be used on equipment that contains hydrogen? - correct
answer. NO.
which purity test is used to determine the type of refrigerant? - correct answer. ARI
700.
what type of unit only requires ONE service connection? - correct answer. self-
contained recovery units.
air will cause (blank) discharge pressures in a refrigeration system. - correct answer.
Higher.
a strong odor is around during the recovery process. what is most likely the cause of
this? - correct answer. A compressor burnout.
what is the best way (position) to transport refrigeration cylinders? - correct answer.
Upright.
you can only accurately read refrigerant pressure with a stable (blank)? - correct
answer. Temperature.
an explosion can occur if (blank) is vented in an enclosed environment? - correct
answer. Hydrogen.
can refrigerants be mixed in a recovery tank? - correct answer. NO.
what is the state of refrigerant leaving the liquid receiver? - correct answer. High
pressure liquid.
what is the minimum microns a vacuum pump must pull when evacuating a system? -
correct answer. 500 microns.
what is usually contained in refrigerants made before 1950? - correct answer. SO2.
(sulfur dioxide)
what prevents transient slugs of liquid from getting into the compressor? - correct
answer. Accumulator.
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