SkillCat EPA 608 Refrigerant Recovery and Transition Certification Exam Review (Latest Update 2025 / 2026) | Questions and Verified Answers | Grade A | 100% Correct
Question:
The amount of refrigerant that is absorbed in the oil is affected by which of
the following:
- pressure alone
- temperature alone
- both pressure and temperature
- none of the above
Answer:
both pressure and temperature
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Question:
Moisture indicating sight glass is located downstream of the which of the
following:
a) Filter Drier
b) Expansion Valve
c) Compressor
d) Condenser
Answer:
Filter Drier
Question:
The state of the refrigerant leaving the liquid receiver of a refrigeration system is a
a) High-pressure gas
b) High-pressure liquid
c) Low-pressure gas
d) Low-pressure liquid
Answer:
High-Pressure Liquid
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Question:
The liquid receiver is NOT part of the low side of the system. T or F
Answer:
False
Question:
Hermetic compressor can be operated when the system is under a deep vacuum. T or F
Answer:
False
Question:
When evacuating a system, it is required that the vacuum pump pull a minimum of _____ microns.
Answer:
500 microns
Question:
When servicing an open refrigeration system, filter drier shall be always
replaced: T or F
Answer:
True 3 / 4
Question:
Which of the following are the indications that a high pressure system has a
leak:
a) High Superheat
b) Oil Traces
c) Both of the above
d) None of the above
Answer:
Both High Superheat and Oil Traces
Question:
A sensor and alarm are required for A1 (R-12, R-22) refrigerant as defined by
ASHRAE is to sense:
Answer:
Oxygen depletion
Question:
If refrigerant seen at liquid-line sight glass contains bubbles then , the charge is probably ________
Answer:
Low
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