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EPA CERTIFICATION EXAM/100 QUESTIONS AND ANSWERS (A+)
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- EPA CERTIFICATION EXAM
EPA CERTIFICATION EXAM/100 QUESTIONS AND ANSWERS (A+)
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EPA CERTIFICATION EXAM/100QUESTIONS AND ANSWERS (A+)
Which Refrigerants contain the most chlorine? -
√Answer :CFC's
Quiz :As of what date did it become unlawful to
intentionally release Class 1 and Class 2 refrigerants to
the atmosphere? - √Answer :July 1, 1992
Quiz :Which Refrigerants have the lowest zone
depletion potential? - √Answer :HFC's
Quiz :The molecule found in CFC's and HCHC's
refrigerants that destroys the ozone in the stratosphere
is: - √Answer :Chlorine
Quiz :Stratospheric ozone consists of: -
√Answer :Three oxygen atoms
Quiz :Stratospheric ozone depletion is a _________
problem: - √Answer :Global
Quiz :The Gas in the stratosphere that protects us from
ultraviolet radiation is: - √Answer :Ozone
Quiz :Which refrigerant is a CFC? - √Answer :R-12
Quiz :Which refrigerant is an HCFC? - √Answer :R-123
& R-22
Quiz :Which refrigerant is an HFC? - √Answer :R-134a
, Quiz :Which refrigerant contains no chlorine? -
√Answer :R-134a
Quiz :The Molecule found in the stratosphere that
indicates stratospheric ozone depletion is taking place
is: - √Answer :Chlorine monoxide
Quiz :The following actions would violate the clean air
act (CAA): - √Answer :Knowingly releasing Class 1
Class 2 substances
failing to keep or falsifying required records
failing to tech the required evacuation levels before
opening a systems to the atmosphere for service
Quiz :One time (disposable) refrigerant cylinders are
used for: - √Answer :Virgin refrigerant
Quiz :The rule of thumb for refilling approved cylinders
is a maximum of _____ percent liquid? - √Answer :80%
Quiz :The time it takes to properly evacuate and
dehydrate a system prior to charging with refrigerant is
determined by the: - √Answer :Total volume of the
system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
Quiz :A system that fails to hold a vacuum after the
evacuation process: - √Answer :May contain moisture
May have a leak
Quiz :To recover refrigerant is to: - √Answer :Remove
refrigerant is any condition from a system in either an
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