EPA 609 Exam Questions with Correct
Answers
Lifetime of CFCs is believed to range from _____ years? - CORRECT ANSWER -2 to 100
For determining the Ozone Depletion Potential having been assigned a factor of 1? -
CORRECT ANSWER -CFC-11
Ester-based synthetic oils can be mixed with other oils? - CORRECT ANSWER -False
Since , it is no longer legal for CFCs to be manufactured or imported into the United
States? - CORRECT ANSWER -January 1, 1996
Since , it is illegal to vent substitutes for CFC and HCFC refrigerants? - CORRECT ANSWER -
November 15, 1995
Ozone at ground level ans at Stratosphere is a harmful pollutant? - CORRECT ANSWER -False
A refillable refrigerant cylinder must not be filled above of its full capacity? - CORRECT
ANSWER -80%
Each chlorine ion can able to destroy ozone mole? - CORRECT ANSWER -100,000
R-134a is a chlorine-free refrigerant? - CORRECT ANSWER -True
MVAC systems being disposed must be evacuated to of mercury before being scrapped? -
CORRECT ANSWER -4 inches
, Ozone layer absorbs and scatters from the sun? - CORRECT ANSWER -Ultraviolet light
An award of up to may be paid to a person supplying information that leads to a penalty
against a technician who is intentionally venting? - CORRECT ANSWER -10,000
Every refrigerant cylinder need not be protected by some type of pressure relief device? -
CORRECT ANSWER -False
Ozone molecule consists of atoms of oxygen? - CORRECT ANSWER -Three
CFCs are highly reactive in of atmosphere? - CORRECT ANSWER -Lower level
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses,
also requires Section ______ certification? - CORRECT ANSWER -608
Stratosphere layer consists of about of the available Ozone? - CORRECT ANSWER -90%
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to
be returned to, a mobile air-conditioning system cannot exceed PPM by weight? -
CORRECT ANSWER -15
Ozone depletion Increase global warming? - CORRECT ANSWER -True
Non-condensables in a refrigeration system result in a discharge pressure? - CORRECT
ANSWER -Higher
Answers
Lifetime of CFCs is believed to range from _____ years? - CORRECT ANSWER -2 to 100
For determining the Ozone Depletion Potential having been assigned a factor of 1? -
CORRECT ANSWER -CFC-11
Ester-based synthetic oils can be mixed with other oils? - CORRECT ANSWER -False
Since , it is no longer legal for CFCs to be manufactured or imported into the United
States? - CORRECT ANSWER -January 1, 1996
Since , it is illegal to vent substitutes for CFC and HCFC refrigerants? - CORRECT ANSWER -
November 15, 1995
Ozone at ground level ans at Stratosphere is a harmful pollutant? - CORRECT ANSWER -False
A refillable refrigerant cylinder must not be filled above of its full capacity? - CORRECT
ANSWER -80%
Each chlorine ion can able to destroy ozone mole? - CORRECT ANSWER -100,000
R-134a is a chlorine-free refrigerant? - CORRECT ANSWER -True
MVAC systems being disposed must be evacuated to of mercury before being scrapped? -
CORRECT ANSWER -4 inches
, Ozone layer absorbs and scatters from the sun? - CORRECT ANSWER -Ultraviolet light
An award of up to may be paid to a person supplying information that leads to a penalty
against a technician who is intentionally venting? - CORRECT ANSWER -10,000
Every refrigerant cylinder need not be protected by some type of pressure relief device? -
CORRECT ANSWER -False
Ozone molecule consists of atoms of oxygen? - CORRECT ANSWER -Three
CFCs are highly reactive in of atmosphere? - CORRECT ANSWER -Lower level
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses,
also requires Section ______ certification? - CORRECT ANSWER -608
Stratosphere layer consists of about of the available Ozone? - CORRECT ANSWER -90%
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to
be returned to, a mobile air-conditioning system cannot exceed PPM by weight? -
CORRECT ANSWER -15
Ozone depletion Increase global warming? - CORRECT ANSWER -True
Non-condensables in a refrigeration system result in a discharge pressure? - CORRECT
ANSWER -Higher
