EPA 608 Type III Test Questions Actual 2026 || Most
Recent Exam 2026-2027 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers)
Already Graded A+ | Guaranteed Success!! Newest
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Commercial and industrial process refrigeration systems must
be repaired when
the leak rate exceeds _____ of the charge
per year.
a) 5%
b) 15%
c) 20%
d) 35% - ANSWER-d) 35%
Under EPA's regulations, __________ is used to pressurize
a low-pressure
chiller for the purpose of opening the system for a
non-major repair.
a) adding
nitrogen
,b) warming the
refrigerant
c) adding
compressed air
d) adding carbon dioxide - ANSWER-b) warming
the refrigerant
A charged low pressure refrigeration system can be efficiently
leak checked by:
___________.
a) adding compressed air, since it will be removed from the
system by the purging unit
b) operating the purge system
c) adding HCFC-22
d) raising system pressure by heating with circulated hot water
or heating blankets - ANSWER-d) raising system pressure by
heating with circulated hot water or heating blankets
The existence of air in a low pressure system causes:
____________.
a) low head pressure
b) low suction pressure
c) high head pressure
d) high liquid level - ANSWER-c) high head pressure
An oil sample should be taken when: ____________.
,a) a new filter-drier has been installed
b) there has been a compressor burnout
c) the unit is not cooling properly
d) recycled refrigerant has been added to the unit - ANSWER-b)
there has been a compressor burnout
According to ASHRAE Standard 34, what is the safety
classification of R-123?
a) A1
b) A2
c)
B1
d) B2 - ANSWER-c)
B1
Refrigerant-11 at a pressure of 17" Hg vacuum has a saturation
temperature of:
_______.
a) 30
degrees F
b) 35
degrees F
c) 40
degrees F
d) 44 degrees F - ANSWER-b) 35
degrees F
, Which repair WOULD NOT fall under the EPA definition
for "MAJOR
MAINTENANCE, SERVICE, OR
REPAIR"?
a) Replacing an oil filter.
b) Replacing the compressor.
c) Re-tubing a condenser.
d) Replacing a fin and tube forced air evaporator coil. -
ANSWER-a) Replacing an oil filter.
Which action listed below is the proper method to reduce
refrigerant loss from a
purge unit on a CFC-11
chiller?
a) Leak test and repair the chiller.
b) Seal the purge-unit discharge.
c) Pipe purge-unit back into the low size.
d) Pipe purge-unit into recovery unit. - ANSWER-a) Leak test
and repair the chiller.
EPA regulations require that any appliance containing more
than 50 pounds of
refrigerant (except for commercial and industrial process
refrigeration) must be
repaired when the leak rate exceeds _____ of the
charge per year.
Recent Exam 2026-2027 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers)
Already Graded A+ | Guaranteed Success!! Newest
Exam | Just Released!!
Commercial and industrial process refrigeration systems must
be repaired when
the leak rate exceeds _____ of the charge
per year.
a) 5%
b) 15%
c) 20%
d) 35% - ANSWER-d) 35%
Under EPA's regulations, __________ is used to pressurize
a low-pressure
chiller for the purpose of opening the system for a
non-major repair.
a) adding
nitrogen
,b) warming the
refrigerant
c) adding
compressed air
d) adding carbon dioxide - ANSWER-b) warming
the refrigerant
A charged low pressure refrigeration system can be efficiently
leak checked by:
___________.
a) adding compressed air, since it will be removed from the
system by the purging unit
b) operating the purge system
c) adding HCFC-22
d) raising system pressure by heating with circulated hot water
or heating blankets - ANSWER-d) raising system pressure by
heating with circulated hot water or heating blankets
The existence of air in a low pressure system causes:
____________.
a) low head pressure
b) low suction pressure
c) high head pressure
d) high liquid level - ANSWER-c) high head pressure
An oil sample should be taken when: ____________.
,a) a new filter-drier has been installed
b) there has been a compressor burnout
c) the unit is not cooling properly
d) recycled refrigerant has been added to the unit - ANSWER-b)
there has been a compressor burnout
According to ASHRAE Standard 34, what is the safety
classification of R-123?
a) A1
b) A2
c)
B1
d) B2 - ANSWER-c)
B1
Refrigerant-11 at a pressure of 17" Hg vacuum has a saturation
temperature of:
_______.
a) 30
degrees F
b) 35
degrees F
c) 40
degrees F
d) 44 degrees F - ANSWER-b) 35
degrees F
, Which repair WOULD NOT fall under the EPA definition
for "MAJOR
MAINTENANCE, SERVICE, OR
REPAIR"?
a) Replacing an oil filter.
b) Replacing the compressor.
c) Re-tubing a condenser.
d) Replacing a fin and tube forced air evaporator coil. -
ANSWER-a) Replacing an oil filter.
Which action listed below is the proper method to reduce
refrigerant loss from a
purge unit on a CFC-11
chiller?
a) Leak test and repair the chiller.
b) Seal the purge-unit discharge.
c) Pipe purge-unit back into the low size.
d) Pipe purge-unit into recovery unit. - ANSWER-a) Leak test
and repair the chiller.
EPA regulations require that any appliance containing more
than 50 pounds of
refrigerant (except for commercial and industrial process
refrigeration) must be
repaired when the leak rate exceeds _____ of the
charge per year.
