EPA 609 Practice Test with Correct
Answers
MVAC systems being disposed must be evacuated to of mercury before being scrapped -
CORRECT ANSWER -4 inches
R-134a is a chlorine-free refrigerant - CORRECT ANSWER -True
Ozone Layer absorbs and scatters light from the sun - CORRECT ANSWER -Ultraviolet light
Each chlorine ion is able to destroy ozone molecules - CORRECT ANSWER -100 thousand
Ozone Depletion Potential ofb having been assigned a factor of 1 - CORRECT ANSWER
-CFC-11
Ozone at ground levelof the Stratosphere is a harmful pollutant. T or F? - CORRECT ANSWER -
True
A refillable refrigerant cylinder must not be filled above of its full capacity. - CORRECT
ANSWER -80%
Lifetime of CFCs is believed to range from years - CORRECT ANSWER -20 to 100 yrs
Ester-based synthetic oils can be mixed with other oils. T or F? - CORRECT ANSWER -False
Since , it is no longer legal for CFCs to be manufactured or imported into the United
States - CORRECT ANSWER -January 1st, 1996
Answers
MVAC systems being disposed must be evacuated to of mercury before being scrapped -
CORRECT ANSWER -4 inches
R-134a is a chlorine-free refrigerant - CORRECT ANSWER -True
Ozone Layer absorbs and scatters light from the sun - CORRECT ANSWER -Ultraviolet light
Each chlorine ion is able to destroy ozone molecules - CORRECT ANSWER -100 thousand
Ozone Depletion Potential ofb having been assigned a factor of 1 - CORRECT ANSWER
-CFC-11
Ozone at ground levelof the Stratosphere is a harmful pollutant. T or F? - CORRECT ANSWER -
True
A refillable refrigerant cylinder must not be filled above of its full capacity. - CORRECT
ANSWER -80%
Lifetime of CFCs is believed to range from years - CORRECT ANSWER -20 to 100 yrs
Ester-based synthetic oils can be mixed with other oils. T or F? - CORRECT ANSWER -False
Since , it is no longer legal for CFCs to be manufactured or imported into the United
States - CORRECT ANSWER -January 1st, 1996
