EPA 608 TYPE II TEST 2026 ACTUAL EXAM
QUESTIONS AND VERIFIED ANSWERS PDF
GRADED A+
⩥ R-410A is different from other ASHRAE 400 series non-azeotropic
blends because: _______.
a) R-410A behaves as a near azeotropic refrigerant, and can be topped
off
b) R-410A is a HCFC
c) R-410A uses mineral oil
d) all of the above. Answer: a) R-410A behaves as a near azeotropic
refrigerant, and can be topped off
⩥ The fastest way to recover refrigerant from a system is to remove it in
the _______ phase?
a) final
b) initial
c) liquid
d) vapor. Answer: c) liquid
,⩥ A Recovery machine that uses a hermetic compressor will overheat
when drawing a deep vacuum because: ___________.
a) it runs faster than other equipment
b) the motor needs the flow of refrigerant through the compressor to
provide motor cooling
c) the oils used in hermetic compressors burn at lower temperatures
d) it has a higher compression ratio limit than other equipment. Answer:
b) the motor needs the flow of refrigerant through the compressor to
provide motor cooling
⩥ When a unit is opened for servicing, the _______ should always be
replaced.
a) thermostat
b) metering device
c) crankcase heater
d) filter-drier. Answer: d) filter-drier
⩥ The method to charge a system that has a normal charge of 80 pounds
is to charge with: ________.
a) vapor through the suction line service valve
b) liquid through the discharge service valve
, c) liquid through the suction service valve
d) liquid through the liquid-line service valve. Answer: d) liquid through
the liquid-line service valve
⩥ The EPA regulations require that any appliances 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.
a) 5%
b) 15%
c) 25%
d) 35%. Answer: b) 15%
⩥ The evaporation temperature of R-410A at 100 psig is about: ______.
a) 0 degrees F
b) 30 degrees F
c) 90 degrees F
d) 120 degrees F. Answer: b) 30 degrees F
⩥ The primary water source for cooling the condenser of a water-cooled
recovery unit is: _________.
QUESTIONS AND VERIFIED ANSWERS PDF
GRADED A+
⩥ R-410A is different from other ASHRAE 400 series non-azeotropic
blends because: _______.
a) R-410A behaves as a near azeotropic refrigerant, and can be topped
off
b) R-410A is a HCFC
c) R-410A uses mineral oil
d) all of the above. Answer: a) R-410A behaves as a near azeotropic
refrigerant, and can be topped off
⩥ The fastest way to recover refrigerant from a system is to remove it in
the _______ phase?
a) final
b) initial
c) liquid
d) vapor. Answer: c) liquid
,⩥ A Recovery machine that uses a hermetic compressor will overheat
when drawing a deep vacuum because: ___________.
a) it runs faster than other equipment
b) the motor needs the flow of refrigerant through the compressor to
provide motor cooling
c) the oils used in hermetic compressors burn at lower temperatures
d) it has a higher compression ratio limit than other equipment. Answer:
b) the motor needs the flow of refrigerant through the compressor to
provide motor cooling
⩥ When a unit is opened for servicing, the _______ should always be
replaced.
a) thermostat
b) metering device
c) crankcase heater
d) filter-drier. Answer: d) filter-drier
⩥ The method to charge a system that has a normal charge of 80 pounds
is to charge with: ________.
a) vapor through the suction line service valve
b) liquid through the discharge service valve
, c) liquid through the suction service valve
d) liquid through the liquid-line service valve. Answer: d) liquid through
the liquid-line service valve
⩥ The EPA regulations require that any appliances 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.
a) 5%
b) 15%
c) 25%
d) 35%. Answer: b) 15%
⩥ The evaporation temperature of R-410A at 100 psig is about: ______.
a) 0 degrees F
b) 30 degrees F
c) 90 degrees F
d) 120 degrees F. Answer: b) 30 degrees F
⩥ The primary water source for cooling the condenser of a water-cooled
recovery unit is: _________.
