QUESTIONS AND ANSWERS
◉ Ozone layer absorbs and scatters ________ from the sun. Answer:
ultraviolet light
◉ For determining the Ozone Depletion Potential ________ having
been assigned a factor of 1. Answer: CFC-11
◉ A refillable refrigerant cylinder must not be filled above ______ of
its full capacity.. Answer: 80%
◉ Ozone at ground level and at Stratosphere is a harmful pollutant.
Answer: False
◉ Each chlorine ion can able to destroy ______ ozone molecules.
Answer: 100,000
◉ Lifetime of CFCs is believed to range from _____ years. Answer: 20-
100
,◉ 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.. Answer: $10,000
◉ Ester-based synthetic oils can be mixed with other oils. Answer:
False
◉ Since _____, it is illegal to vent substitutes for CFC and HCFC
refrigerants. Answer: Nov 15, 1995
◉ MVAC systems being disposed must be evacuated to _____ of
mercury before being scrapped. Answer: 4 inches
◉ Since ________, it is no longer legal for CFCs to be manufactured or
imported into the United States. Answer: Jan 1, 1996
◉ The Clean Air Act (CAA) of ______ directs EPA to establish
requirements to prevent the release of ozone depleting substances..
Answer: 1990
◉ At high temperatures, CFC-12 can decompose to form _______.
Answer: hydrochloric and hydrofluoric acid
◉ Ozone molecule consists of ______ atoms of oxygen. Answer: three
, ◉ CFCs are highly reactive in _____ of atmosphere. Answer: lower
◉ Non-condensables in a refrigeration system result in a _______
discharge pressure. Answer: higher
◉ 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.. Answer:
15
◉ Over the road refrigeration units and R-22 (HCFC) air
conditioning, such as that found in buses, also requires Section ______
certification. Answer: 608
◉ Ozone depletion increases global warming. Answer: True
◉ Refrigerants are lighter than the air:. Answer: False
◉ Stratosphere layer consists of about _____ of the available Ozone:.
Answer: 90%
◉ Every refrigerant cylinder need not be protected by some type of
pressure relief device:. Answer: False