- Samenvattingen en Aantekeningen

Which refrigerant is an HFC? R-134a Which of the following is a lawful use of HCFC-22? Servicing existing R-22 systems State and local governments ________. can make laws that are stricter requirements than the federal regulations A ternary blend refrigerant is a ________. three-part mixture In there is a large release of refrigerant in a contained area ________. leave the area, and return with self-contained breathing apparatus Which of the following proves that HCFCs are in the strat...

1. Refrigeration technicians who violate the Clean Air Act can A ) lose their EPA certification . B ) be fined . C ) be required to appear in Federal court . D ) all of the above D 2. After 1995 , any supplies of CFC refrigerant to service existing units in the USA can only come from A ) recovery and recycling . B ) solvent conversion . C ) European chemical manufacturers . D ) Third World chemical manufacturers . A 3. Refrigerant that is recovered can be returned to A ) the same system o...

What does ozone in the stratosphere above the earth consist of? a. Molecules containing 2 oxygen atoms. b. Molecules containing 3 oxygen atoms. c. Molecules containing 4 oxygen atoms. d. Molecules containing 5 oxygen atoms b. Molecules containing 3 oxygen atoms. Which of the following refrigerants has the lowest global warming potential? a. R-134a b. R-407C c. R-410A d. R-600a d. R-600a Which of the following gases is used as the baseline measurement for global warming potential? a...

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_____ can be recovered into the same cylinder - Only 1 refrigerant ________ can combine to cause a fire or explosion when working with flammable hydrocarbon refrigerants - A sufficient concentration of the refrigerant in the space and an ignition source ________ contains chlorine. - R-22 ________ damages stratospheric ozone. - HCFCs ________ has the lowest ODP. - R-410A ________ is cleaning the refrigerant for immediate reuse by oil separation and single or multiple passes through ...

EPA 608 CORE EXAM ACTUAL EXAM ALL 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+