Service Excellence – Practice Questions and
Answers
Which component of CFC refrigerant is the cause of ozone depletion?
A. Chlorine
B. Fluorine
C. Carbon
D. All of the Above - correct answer -A. Chlorine
The Stratospheric Ozone layer protects us from;
A. Polar Inversion
B. Chlorine Monoxide
C. Ultraviolet Radiation
D. Gamma Rays - correct answer -C. Ultraviolet Radiation
The current standard for recovery only equipment is SAE;
A. J2210
B. J2810
C. J1732
D. J2788 - correct answer -B. J2810
, When checking a cylinder of recycled HFC-134a for non-condensable gasses at 70F, the
pressure should not exceed:
A. 50 PSIG
B. 76 PSIG
C. 90 PSIG
D. 134 PSIG - correct answer -76 psig
Section 609 of the Federal Clean Air Act requires that all persons servicing motor
vehicle air conditioning must;
A. Use EPA approved equipment
B. Be certified in recovery procedures
C. Never intentionally vent refrigerant
D. All of the Above - correct answer -D. All of the Above
Recovery cylinders must be;
A. 30 lb. capacity
B. SAE approved
C. White in color
D. UL or DOT approved - correct answer -D. UL or DOT approved
After charging a system using manifold gauges, the refrigerant in the hoses;
A. Can be vented
B. Must be recovered
C. Is disregarded
D. None of the Above - correct answer -B. Must be recovered