EPA 608 Type 2 |2026 Update Comprehensive
Frequently Tested Questions And Verified
Answers With Rationales|100% Accurate
Answers | Already Graded A+
Type 2 - 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 - answer-After the installation of any type of system, the unit should be
pressurized with _____ and _____ checked.
inert - answer-Nitrogen is an ______ gas.
electronic ultrasonic - answer-In order to determine the general area of a leak,
technicians should use a _____ or _____ leak detector.
soap bubbles - answer-After locating the general area of a leak, ______ ______ are
used to pinpoint it.
seal - 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 - answer-During a visual inspection of any type of system, _____ of _____ are
an indicator of a refrigerant leak.
superheat - answer-Excessive ________, caused by a low refrigerant charge, is an
indication of a leak in a high-pressure system.
refrigerant charge - answer-A low ______ _______ may be the cause of excessive
superheat in a high-pressure system.
50 15 - 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 - 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 - answer-Recovered refrigerants may contain _____, moisture, and oil.
, moisture - answer-Recovered refrigerants may contain acids, ______, and oil.
oil - answer-Recovered refrigerants may contain acids, moisture, and ________.
oil filter - 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 - answer-Recycling and Recovery machines using ______ compressors may
overheat when pulling a deep vacuum.
refrigerant cooling - 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 - 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 - 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 - 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 ________.
purge - answer-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.
recovering - answer-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.
filter - answer-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.
evacuate - answer-Technicians working with multiple refrigerants, before recovering
and/or recycling a different refrigerant, must purge the recover/recycle equipment by
Frequently Tested Questions And Verified
Answers With Rationales|100% Accurate
Answers | Already Graded A+
Type 2 - 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 - answer-After the installation of any type of system, the unit should be
pressurized with _____ and _____ checked.
inert - answer-Nitrogen is an ______ gas.
electronic ultrasonic - answer-In order to determine the general area of a leak,
technicians should use a _____ or _____ leak detector.
soap bubbles - answer-After locating the general area of a leak, ______ ______ are
used to pinpoint it.
seal - 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 - answer-During a visual inspection of any type of system, _____ of _____ are
an indicator of a refrigerant leak.
superheat - answer-Excessive ________, caused by a low refrigerant charge, is an
indication of a leak in a high-pressure system.
refrigerant charge - answer-A low ______ _______ may be the cause of excessive
superheat in a high-pressure system.
50 15 - 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 - 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 - answer-Recovered refrigerants may contain _____, moisture, and oil.
, moisture - answer-Recovered refrigerants may contain acids, ______, and oil.
oil - answer-Recovered refrigerants may contain acids, moisture, and ________.
oil filter - 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 - answer-Recycling and Recovery machines using ______ compressors may
overheat when pulling a deep vacuum.
refrigerant cooling - 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 - 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 - 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 - 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 ________.
purge - answer-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.
recovering - answer-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.
filter - answer-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.
evacuate - answer-Technicians working with multiple refrigerants, before recovering
and/or recycling a different refrigerant, must purge the recover/recycle equipment by
