EPA 608 CERTIFICATION CORE Test Bank 2023/2024 260 QUESTIONS AND ANSWERS (Graded A+)

EPA 608 CERTIFICATION Halons were completely phased out by ______ : 1994 1995 1987 2000 - √Answer :1994 Quiz :Recovered refrigerant is stored in which of the following painted tank: Gray with yellow top Yellow with gray top Yellow with blue top Blue with yellow top - √Answer :Gray with yellow top Quiz :If your recovery unit does not have a sub-cooling feature recovery rate will be _____ : Recovery rate is independent Slower Faster - √Answer :Slower Quiz :TXV valve maintaining the pressure difference between _____ and _____ of the system Expansion valve, Evaporator Condenser, Evaporator Compressor, Condenser Evaporator, Compressor - √Answer :Condenser, Evaporator Quiz :After recovering refrigerant from a sealed system, which of the following gas is used to pressurize (for leak checking) or blow debris out of the system: Hydrogen Carbon dioxide Oxygen Nitrogen gas - √Answer :Nitrogen gas Quiz :Which one of the following has highest Ozone Depletion Potential (ODP): HCFC All will have same ODP CFC HFC - √Answer :CFC Quiz :The ____connects the evaporator to the compressor in a refrigerant system: Suction Line Evaporation Line Discharge Line Liquid Line - √Answer :Suction Line Quiz :A violation of the Clean Air Act, including improper record keeping, is subject to a penalty of a fine of up to _____ per day per violation: $37,500 $40,000 $24,000 $35,000 - √Answer :$37,500 Quiz :At which of the following stage in refrigeration cycle does the refrigerant changes from high-pressure vapor to a high-pressure liquid: Evaporator Condenser Compressor Expansion valve - √Answer :Condenser Quiz :Which of the following is not most effective way to detect the general area of a small leaks: fluorescent Indicator Ultrasonic tester All the options are correct Electronic tester - √Answer :fluorescent Indicator Quiz :During each vacuum decay test, it is observed that after creating the vacuum, the pressure of the system increases to greater than 0 psig and stops at some point, Then: Leak could not be observed Leak is observed but not refrigerant is trapped None of the answers are correct The refrigerant could be trapped in the system - √Answer :The refrigerant could be trapped in the system Quiz :Refrigerant cannot be called reclaimed unless it meets the ______ purity standard: ARI-700 ARI-740 ARI-360 ARI-1024 - √Answer :ARI-700 Quiz :One chlorine atom in stratosphere can be able to destroy approximately _______ number of ozone molecules: 100,000 10,000 1000 100 - √Answer :100,000