EPA 608 TYPE 2 PRACTICE EXAM
Questions and Answers
1.If a leaking appliance with a regulated refrigerant is not going
to be repaired, it must be;
A retrofitted or retired within 3 months.
B retrofitted or retired within 12 months.
C replaced within 3 months.
D replaced within 12 months.
Answer B retrofitted or retired within
12 months.
2.A high-pressure appliance containing 210 lbs. of R-407C
refrigerant must be evacuated (recovered) to a level of;
A 15 inches of vacuum
B 10 inches of vacuum
C 4 inches of vacuum
D 0 inches of vacuum
Answer B 10 inches of vacuum
3.What conditions allow for a system to be opened and
repaired without recovering the refrigerant to the required
vacuum level?
A A system with a large leak and internal pressure of 0 psig
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, B A system that is undergoing a major component replacement
C A system that uses a CFC refrigerant
D A system that has a non-operational
compressor
Answer A A system with a large leak and internal
pressure of 0 psig
4.A crankcase heater is often used to prevent refrigerant
from mixing with compressor oil during periods of
ALow ambient temperature
B High ambient temperature
C Low humidity
D High humidity
Answer A
Low ambient temperature
5.Leaks must be repaired on industrial process and
refrigeration units with a 50-pound charge or greater when the
annualized leak rate reaches or
more.
A 10%
B 20%
C 30%
D 40%
Answer C
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Questions and Answers
1.If a leaking appliance with a regulated refrigerant is not going
to be repaired, it must be;
A retrofitted or retired within 3 months.
B retrofitted or retired within 12 months.
C replaced within 3 months.
D replaced within 12 months.
Answer B retrofitted or retired within
12 months.
2.A high-pressure appliance containing 210 lbs. of R-407C
refrigerant must be evacuated (recovered) to a level of;
A 15 inches of vacuum
B 10 inches of vacuum
C 4 inches of vacuum
D 0 inches of vacuum
Answer B 10 inches of vacuum
3.What conditions allow for a system to be opened and
repaired without recovering the refrigerant to the required
vacuum level?
A A system with a large leak and internal pressure of 0 psig
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12
, B A system that is undergoing a major component replacement
C A system that uses a CFC refrigerant
D A system that has a non-operational
compressor
Answer A A system with a large leak and internal
pressure of 0 psig
4.A crankcase heater is often used to prevent refrigerant
from mixing with compressor oil during periods of
ALow ambient temperature
B High ambient temperature
C Low humidity
D High humidity
Answer A
Low ambient temperature
5.Leaks must be repaired on industrial process and
refrigeration units with a 50-pound charge or greater when the
annualized leak rate reaches or
more.
A 10%
B 20%
C 30%
D 40%
Answer C
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