EPA 608 TYPE II TEST C EXAM QUESTIONS WITH
COMPLETE SOLUTIONS GUARANTEED PASS BRAND NEW
2025
With an air-cooled condenser on the roof of a building and the
evaporator on the first floor, recovery should first occur:
___________.
a) from the vapor line entering the condenser
b) from the discharge of the compressor
c) from the liquid line entering the evaporator
d) on the suction side of the compressor - CORRECT ANSWER -
>c) from the liquid line entering the evaporator
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 - CORRECT 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 - CORRECT 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
- CORRECT 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 - CORRECT 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 - CORRECT
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% - CORRECT 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 - CORRECT ANSWER - >b) 30 degrees F
The primary water source for cooling the condenser of a water-
cooled recovery unit is: _________.
a) de-ionized water
b) chilled water
c) condenser water
COMPLETE SOLUTIONS GUARANTEED PASS BRAND NEW
2025
With an air-cooled condenser on the roof of a building and the
evaporator on the first floor, recovery should first occur:
___________.
a) from the vapor line entering the condenser
b) from the discharge of the compressor
c) from the liquid line entering the evaporator
d) on the suction side of the compressor - CORRECT ANSWER -
>c) from the liquid line entering the evaporator
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 - CORRECT 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 - CORRECT 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
- CORRECT 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 - CORRECT 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 - CORRECT
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% - CORRECT 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 - CORRECT ANSWER - >b) 30 degrees F
The primary water source for cooling the condenser of a water-
cooled recovery unit is: _________.
a) de-ionized water
b) chilled water
c) condenser water
