SKILLCAT EPA 608 EXAM | NEWEST
ACTUAL EXAM COMPLETE QUESTIONS
AND VERIFIED ANSWERS GRADED A+ |
100% PASS | 2025 UPDATE!
If large vacuum pump is used, vacuum in the system drops very fast
causing the evaporating water to cool and freeze rapidly. This results in
removing water from the system more difficult.
Vacuum pumps are rated by their volumetric capacity, which is typically
expressed in CFM. T or F - ✔✔✔ Correct Answer > True
Medium-pressure appliance can use which of the following refrigerants:
R-12
R-22
R-123
R-11 - ✔✔✔ Correct Answer > R-12
Saturated refrigerants have a specific pressure rating at a specific
temperature. If both these parameters are measured, correct
refrigerant can be determined by looking at pressure-temperature
chart
,References to the pressure/temperature chart for determining the type
of refrigerant are only valid if the _____ is known: - ✔✔✔ Correct
Answer > Temperature
Motor Vehicle Air Conditioning (MVAC) service technicians are
governed under EPA _____ section: - ✔✔✔ Correct Answer > 609
Ozone is a unstable molecule at stratosphere: T or F? - ✔✔✔ Correct
Answer > True
Ozone at stratosphere is an unstable molecule made up of three
oxygen atoms. The instability of the molecule allows the free oxygen
atoms to react with hydrogen, nitrogen, chlorine and bromine.
Presence of which of the following elements will reduce the stability of
the ozone depletion organic refrigerant compounds:
Chlorine
Bromine
Hydrogen
All of the Above - ✔✔✔ Correct Answer > Hydrogen
Chlorine and Bromine are considered as the elements responsible for
the depletion of ozone layer at stratosphere. CFC compound are highly
,stable at lower atmosphere and have higher lifetime. Therefore they
reach stratosphere and depletes the ozone layer. Presence of Hydrogen
element in organic refrigerants such as HCFCs and HFCs results in
decomposition at lower atmosphere. Therefore these elements have
lower lifetime and cannot pose threat to ozone depletion.
If the label identifying the refrigerant is missing, then which method is
used to identify the type of refrigerant? - ✔✔✔ Correct Answer >
Pressure-Temperature method
Sale of which of the following refrigerants are not limited to
technicians:
HCFC
HFC
CFC
All the refrigerants are restricted - ✔✔✔ Correct Answer > HFC
All refrigerant recovery equipment should be checked for _____ on a
daily basis: - ✔✔✔ Correct Answer > Both Oil level and Refrigerant
leaks
Typical AC compressors are limited to about _______ tons of cooling
capacity - ✔✔✔ Correct Answer > 10
, The amount of refrigerant that is absorbed in the oil is affected by
which of the following:
pressure alone
temperature alone
both pressure and temperature - ✔✔✔ Correct Answer > both
pressure and temperature
Moisture indicating sight glass is located downstream of the which of
the following:
Filter Drier
Expansion Valve
Compressor
Condenser - ✔✔✔ Correct Answer > Filter Drier
When evacuating a system, it is required that the vacuum pump pull a
minimum of _____ microns. - ✔✔✔ Correct Answer > 500 microns
The state of the refrigerant leaving the liquid receiver of a refrigeration
system is a
High-pressure gas
High-pressure liquid
Low-pressure gas
Low-pressure liquid - ✔✔✔ Correct Answer > High-Pressure Liquid
ACTUAL EXAM COMPLETE QUESTIONS
AND VERIFIED ANSWERS GRADED A+ |
100% PASS | 2025 UPDATE!
If large vacuum pump is used, vacuum in the system drops very fast
causing the evaporating water to cool and freeze rapidly. This results in
removing water from the system more difficult.
Vacuum pumps are rated by their volumetric capacity, which is typically
expressed in CFM. T or F - ✔✔✔ Correct Answer > True
Medium-pressure appliance can use which of the following refrigerants:
R-12
R-22
R-123
R-11 - ✔✔✔ Correct Answer > R-12
Saturated refrigerants have a specific pressure rating at a specific
temperature. If both these parameters are measured, correct
refrigerant can be determined by looking at pressure-temperature
chart
,References to the pressure/temperature chart for determining the type
of refrigerant are only valid if the _____ is known: - ✔✔✔ Correct
Answer > Temperature
Motor Vehicle Air Conditioning (MVAC) service technicians are
governed under EPA _____ section: - ✔✔✔ Correct Answer > 609
Ozone is a unstable molecule at stratosphere: T or F? - ✔✔✔ Correct
Answer > True
Ozone at stratosphere is an unstable molecule made up of three
oxygen atoms. The instability of the molecule allows the free oxygen
atoms to react with hydrogen, nitrogen, chlorine and bromine.
Presence of which of the following elements will reduce the stability of
the ozone depletion organic refrigerant compounds:
Chlorine
Bromine
Hydrogen
All of the Above - ✔✔✔ Correct Answer > Hydrogen
Chlorine and Bromine are considered as the elements responsible for
the depletion of ozone layer at stratosphere. CFC compound are highly
,stable at lower atmosphere and have higher lifetime. Therefore they
reach stratosphere and depletes the ozone layer. Presence of Hydrogen
element in organic refrigerants such as HCFCs and HFCs results in
decomposition at lower atmosphere. Therefore these elements have
lower lifetime and cannot pose threat to ozone depletion.
If the label identifying the refrigerant is missing, then which method is
used to identify the type of refrigerant? - ✔✔✔ Correct Answer >
Pressure-Temperature method
Sale of which of the following refrigerants are not limited to
technicians:
HCFC
HFC
CFC
All the refrigerants are restricted - ✔✔✔ Correct Answer > HFC
All refrigerant recovery equipment should be checked for _____ on a
daily basis: - ✔✔✔ Correct Answer > Both Oil level and Refrigerant
leaks
Typical AC compressors are limited to about _______ tons of cooling
capacity - ✔✔✔ Correct Answer > 10
, The amount of refrigerant that is absorbed in the oil is affected by
which of the following:
pressure alone
temperature alone
both pressure and temperature - ✔✔✔ Correct Answer > both
pressure and temperature
Moisture indicating sight glass is located downstream of the which of
the following:
Filter Drier
Expansion Valve
Compressor
Condenser - ✔✔✔ Correct Answer > Filter Drier
When evacuating a system, it is required that the vacuum pump pull a
minimum of _____ microns. - ✔✔✔ Correct Answer > 500 microns
The state of the refrigerant leaving the liquid receiver of a refrigeration
system is a
High-pressure gas
High-pressure liquid
Low-pressure gas
Low-pressure liquid - ✔✔✔ Correct Answer > High-Pressure Liquid
