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EPA 608 Type 2 Test Questions With Answers

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EPA 608 Type 2 Test Questions With Answers 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 ______ ___. - CORRECT ANSWER Type 2 ...

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  • July 7, 2023
  • 9
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • EPA 608
  • EPA 608

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EPA 608 Type 2 Test
Questions With Answers
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 ______ ___. - CORRECT ANSWER Type 2

After the installation of any type of system, the unit should be pressurized with _____
and _____ checked. - CORRECT ANSWER nitrogen leak

Nitrogen is an ______ gas. - CORRECT ANSWER inert

In order to determine the general area of a leak, technicians should use a _____ or
_____ leak detector. - CORRECT ANSWER electronic ultrasonic

After locating the general area of a leak, ______ ______ are used to pinpoint it. -
CORRECT ANSWER soap bubbles

A refrigeration unit using an open compressor that has not been used in several months
is likely to leak from the rotating shaft ______. - CORRECT ANSWER seal

During a visual inspection of any type of system, _____ of _____ are an indicator of a
refrigerant leak. - CORRECT ANSWER traces oil

Excessive ________, caused by a low refrigerant charge, is an indication of a leak in a
high-pressure system. - CORRECT ANSWER superheat

A low ______ _______ may be the cause of excessive superheat in a high-pressure
system. - CORRECT ANSWER refrigerant charge

Epa regulations require that all comfort cooling appliances containing more than _____
lbs. of refrigerant MUST be repaired when the annual leak rate exceeds _____ %. -
CORRECT ANSWER 50 15

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 _____ %. - CORRECT ANSWER 50 35

Recovered refrigerants may contain _____, moisture, and oil. - CORRECT ANSWER
acids

Recovered refrigerants may contain acids, ______, and oil. - CORRECT ANSWER
moisture

, EPA 608 Type 2 Test
Questions With Answers
Recovered refrigerants may contain acids, moisture, and ________. - CORRECT
ANSWER oil

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. - CORRECT ANSWER oil filter

Recycling and Recovery machines using ______ compressors may overheat when
pulling a deep vacuum. - CORRECT ANSWER hermetic

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 ______. - CORRECT ANSWER refrigerant cooling

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. - CORRECT ANSWER service valve positions

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. - CORRECT ANSWER oil level

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
________. - CORRECT ANSWER receiver

Technicians working with multiple refrigerants, before recovering and/or recycling a
different refrigerant, must ______ the recover/recycle equipment by recovering as much
of the first refrigerant as possible, change the filter, and evacuate. Exception:
technicians working with R - 134 A. - CORRECT ANSWER purge

Technicians working with multiple refrigerants, before recovering and/or recycling a
different refrigerant, must purge the recover/recycle equipment by ______ as much of
the first refrigerant as possible, change the filter, and evacuate. Exception: technicians
working with R - 134 A. - CORRECT ANSWER recovering

Technicians working with multiple refrigerants, before recovering and/or recycling a
different refrigerant, must purge the recover/recycle equipment by recovering as much
of the first refrigerant as possible, change the ______, and evacuate. Exception:
technicians working with R - 134 A. - CORRECT ANSWER filter

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