BUNDLED EPA 608 CORE EXAM QUESTIONS AND ANSWERS GRADED A

November 14, 1994 - What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labe...

Where is the stratosphere? - 10 to 30 miles Where is ozone located? - stratosphere What does an ozone molecule consist of? - 3 oxygen atoms The ozone layer protects us from... - ultraviolet radiation The ozone layer helps to maintain... - stable earth temperatures Depletion of ozone c...

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 refrige...

Which process applies to cleaning refrigerant for immediate reuse by oil separation and single or multiple passes through devices like replaceable core filter dryers which reduce moisture and acidity? - Recycling Disposing of disposable cylinders is accomplished by? - Assuring that all refrigeran...

Which of the following refrigerant has a GWP of "1"? A) R-22 B) R-1233zd C) R-410A D) R-134a - B) R-1233zd The molecule found in CFCs and HCFCs that depletes O-Zone is: A) Fluorine B) Chlorine C) Hydrogen D) Carbon - B) Chlorine Recover any remaining refrigerant and then render ...

What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - 100,000 ozone molecules Which refrigerant contains a CFC? R500,...

Removing refrigerant in any condition from a system and storing it in an external container without necessarily testing or processing it in any way defines A) Recycling B) Recovering C) Reclaiming D) Restoring - B) Recovering One should NEVER heat a refrigerant storage or recovery tank w...