with Correct Answers
Lifetime of CFCs is believed to range from years
A. 50 to 60
B. 2 to 100
C. 40 to 50
D. 100 TO 112 - CORRECT ANSWER -B. 2 to 100
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1
A. CFC-11
B. CFC-13
C. CFC-21
D. CFC-18 - CORRECT ANSWER -A. CFC-11
True or False: 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
A. January 6, 1996
B. December 1, 1994
C. January 1, 1996
D. March 16, 1995 - CORRECT ANSWER -C. January 1, 1996
,Since , it is illegal to vent substitutes for CFC and HCFC refrigerants
A. November 15, 1995
B. January 12, 1997
C. December 15, 1992
D. May 11, 1993 - CORRECT ANSWER -A. November 15, 1995
True or False: 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
A. 60%
B. 8%
C. 90%
D. 80% - CORRECT ANSWER -D. 80%
Each chlorine ion can able to destroy ozone mole
A. 1,000
B. 10,000
C. 100,000
D. 5,000 - CORRECT ANSWER -C. 100,000
Treu or False: R-134a is a chlorine-free refrigerant. - CORRECT ANSWER -True
, MVAC systems being disposed must be evacuated to of mercury before being scrapped
A. 4 inches
B. 6 inches
C. 2 inches
D. 12 inches - CORRECT ANSWER -A. 4 inches
Ozone layer absorbs and scatters from the sun
A. Sun rays
B. Ultraviolet light
C. Red light
D. Blue light - CORRECT ANSWER -B. 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
A. 10,000
B. 20,000
C. 30,000
D. 5,000 - CORRECT ANSWER -A. 10,000
True or False: Every refrigerant cylinder need not be protected by some type of pressure relief
device. - CORRECT ANSWER -False
Ozone molecule consists of atoms of oxygen