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