EPA-608 Type 2 UPDATED Exam Questions and CORRECT Answers
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Course
EPA-608
Institution
EPA-608
EPA-608 Type 2 UPDATED Exam
Questions and CORRECT Answers
Type 2 - CORRECT ANSWER- Technicians maintaining, servicing, repairing or disposing of
high pressure or very high-pressure appliances, except small appliances and MVAC, must be
certified either as a Universal Technician or a ______ __...
EPA-608 Type 2 UPDATED Exam
Questions and CORRECT Answers
Type 2 - CORRECT ANSWER- Technicians maintaining, servicing, repairing or disposing of
high pressure or very high-pressure appliances, except small appliances and MVAC, must be
certified either as a Universal Technician or a ______ ___.
nitrogen leak - CORRECT ANSWER- After the installation of any type of system, the unit
should be pressurized with _____ and _____ checked.
inert - CORRECT ANSWER- Nitrogen is an ______ gas.
electronic ultrasonic - CORRECT ANSWER- In order to determine the general area of a leak,
technicians should use a _____ or _____ leak detector.
soap bubbles - CORRECT ANSWER- After locating the general area of a leak, ______
______ are used to pinpoint it.
seal - CORRECT ANSWER- A refrigeration unit using an open compressor that has not been
used in several months is likely to leak from the rotating shaft ______.
traces oil - CORRECT ANSWER- During a visual inspection of any type of system, _____ of
_____ are an indicator of a refrigerant leak.
superheat - CORRECT ANSWER- Excessive ________, caused by a low refrigerant charge,
is an indication of a leak in a high-pressure system.
refrigerant charge - CORRECT ANSWER- A low ______ _______ may be the cause of
excessive superheat in a high-pressure system.
50 15 - CORRECT ANSWER- Epa regulations require that all comfort cooling appliances
containing more than _____ lbs. of refrigerant MUST be repaired when the annual leak rate
exceeds _____ %.
, 50 35 - CORRECT ANSWER- Epa regulations require that all commercial and industrial
process refrigeration systems containing more than _____ lbs. of refrigerant MUST be
repaired when the annual leak rate exceeds _____ %.
acids - CORRECT ANSWER- Recovered refrigerants may contain _____, moisture, and oil.
moisture - CORRECT ANSWER- Recovered refrigerants may contain acids, ______, and oil.
oil - CORRECT ANSWER- Recovered refrigerants may contain acids, moisture, and
________.
oil filter - CORRECT ANSWER- Because of the acids, moisture, and oil that may be in
recovered refrigerants, it is necessary to frequently check and change both the _____ and
_____ on recycling machines.
hermetic - CORRECT ANSWER- Recycling and Recovery machines using ______
compressors may overheat when pulling a deep vacuum.
refrigerant cooling - CORRECT ANSWER- Recycling and Recovery machines using
hermetic compressors may overheat when pulling a deep vacuum because the unit relies on
the flow of ______ through the compressor for ______.
service valve positions - CORRECT ANSWER- Before using a recovery unit, you should
always check the _______ _______ _______, the oil level of the unit, and evacuate and
recover any remaining refrigerant in the unit's receiver.
oil level - CORRECT ANSWER- Before using a recovery unit, you should always check the
service valve positions, the _____ _____ of the unit, and evacuate and recover an remaining
refrigerant in the unit's receiver.
receiver - CORRECT ANSWER- Before using a recovery unit, you should always check the
service valve positions, the oil level of the unit and evacuate and recover an remaining
refrigerant in the unit's ________.
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