Certification EXAM
LATEST 2025-2026 WITH
QUESTIONS AND
CORRECT VERIFIED
ANSWERS GRADED A+
GUARANTEED 100%
PASS
Since ___________________ it is illegal to vent substitutes for CFC and HCFC
refrigerants - NOV 15, 1995
Each chlorine ion are able to destroy ___________________ ozone molecules -
100,000
, Lifetime of CFSs is believed to range from ________ years - 20 TO 100
Ozone molecules consists of _______________ atoms of oxygen - THREE
Non-condensables in a refrigeration system result in a ________________ discharge
pressure - higher
T/F Ozone depletion increases global warming - TRUE
T/F If a technician is already trained and certified to handle HFC-134a - FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
1990
18. Over the road refrigeration units and R-22 (HCFC) air conditioning - such as that
found in buses, also require Section ____________ certification, 608
19. 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, 15
20. At high temperature CFC-12 can decompose to form _____________ - hydrochloric
or hydrofluoric acid
21. T/F Refrigerants are light than air - FALSE
22. T/F Every refrigerant cylinder need not be protected by some type of pressure relief
device - FALSE
23. Stratosphere layer consists of about ____________ of the available Ozone: - 90%
24.CFC are highly reactive in _______________ of atmosphere - lower levels
25.HFC-134a is the refrigerant that replaced _____________ in automotive air
conditioning systems - R-12
26. R-152 is a chemical compound of which of the following: - HYDROGEN AND
FLUORINE
27. T/F R-134a a refrigerant does pose a cancer or birth defect hazard - FALSE
28. T/F MVAC systems need not be evacuated to a vacuum before servicing - FALSE
29. Disposable Refrigerant Tanks under _______________ must be evacuated before
being scrapped - 20 POUNDS