UPDATED EPA 608 Study Guide Questions with Complete Solutions 100% Verified Answers 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. 1 / 2
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.
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