EPA 608 Type 3 Questions | 2026/2027 | Answers Correct |
With Complete Solutions
______ is the process of removing refrigerant in any condition
from storing it in an external container without necessary testing
or processing it in any way Correct Answers Recovering
_______ refers to the process of cleaning refrigerant by oil
seperation 7 single or multiple passes through filter driers which
reduce moisture and acidity? Correct Answers Recycling
A compressor heater is used to: Correct Answers reduce the
amount of refrigerant in the lubricating oil
A cyclinder with a grey body and yellow top is designed to hold:
Correct Answers recovered refrigerant
A hydrostatic tube test kit is used to: Correct Answers
determine if a tube leaks
A passive system-dependent recovery device for small
appliances: Correct Answers captures refrigerant in a non-
pressurized container
A reciprocating compressor should not be energized if the
Correct Answers discharge service valve has closed
A recovery cyclinder which is 1/2 full of recovered R-410A @
90*F, in the absence of non-condensables will be presurized to:
Correct Answers 300 psig.
,A recovery cylinder which is 1/2 full of recovered R-22 at
normal room temperature about 75, in the absence of non-
condensables, will be pressurized to: Correct Answers 75 psig
A refrigerant that can be used as a direct service drop in
subsitute for R-12 in a small appliance is: Correct Answers
NONE
A rupture disc on a recovery vessel for a low pressure
refrigerants relieves at: Correct Answers 15 psig
A standard vacuum pump designed for evacuation &
dehydration can: Correct Answers be only used as a recovery
device in combination with a non pressurized container
A system can be evacuated to only atmospheric pressure when:
Correct Answers leaks in the appliance make the evacuation to
the prescribed level unattainable
A system does not have to be evacuated all the way to the
required level when: Correct Answers leaks in the appliance
make evacuation to the prescribed level unattainable
A system is considered dehydrated when: Correct Answers the
vacuum indicator shows you have reached & held the required
finished vacuum
A system is dehydrated to: Correct Answers remove water &
water vapor
, A system is dehydrated to: Correct Answers remove water and
water vapor
A ternary refrigerant blend is a ____ part mixture Correct
Answers 3
According to ASHRAE Guideline 3-1996, if the pressure in a
system rises from 1 mm Hg to a level above ____ during a
standing vacuum test, the system should be checked for leaks.
Correct Answers 2.5 mm Hg
According to ASHRAE's 1992 refrigerant safety classification,
which designations is the most safe Correct Answers A-1
According to the EPA there is approximately _____ refrigerant
vapor left in an average 350 ton R-11 chiller at 0 psig pressure
once all the R-11 liquid has been removed. Correct Answers
100 pounds
According to the EPA which recovery equipment maintenance
practice(s) should be preformed on a regular basis? Correct
Answers check recovery device for refrigerant leaks
After reaching the required recovery vacuum on a chiller, you
should Correct Answers Wait for at least a few minutes to see
if the system pressure rises, indicating that there is till
refrigerant in a liquid form or in the oil
After recovering the liquid refrigerant you must: Correct
Answers recover the vapor refrigerant
With Complete Solutions
______ is the process of removing refrigerant in any condition
from storing it in an external container without necessary testing
or processing it in any way Correct Answers Recovering
_______ refers to the process of cleaning refrigerant by oil
seperation 7 single or multiple passes through filter driers which
reduce moisture and acidity? Correct Answers Recycling
A compressor heater is used to: Correct Answers reduce the
amount of refrigerant in the lubricating oil
A cyclinder with a grey body and yellow top is designed to hold:
Correct Answers recovered refrigerant
A hydrostatic tube test kit is used to: Correct Answers
determine if a tube leaks
A passive system-dependent recovery device for small
appliances: Correct Answers captures refrigerant in a non-
pressurized container
A reciprocating compressor should not be energized if the
Correct Answers discharge service valve has closed
A recovery cyclinder which is 1/2 full of recovered R-410A @
90*F, in the absence of non-condensables will be presurized to:
Correct Answers 300 psig.
,A recovery cylinder which is 1/2 full of recovered R-22 at
normal room temperature about 75, in the absence of non-
condensables, will be pressurized to: Correct Answers 75 psig
A refrigerant that can be used as a direct service drop in
subsitute for R-12 in a small appliance is: Correct Answers
NONE
A rupture disc on a recovery vessel for a low pressure
refrigerants relieves at: Correct Answers 15 psig
A standard vacuum pump designed for evacuation &
dehydration can: Correct Answers be only used as a recovery
device in combination with a non pressurized container
A system can be evacuated to only atmospheric pressure when:
Correct Answers leaks in the appliance make the evacuation to
the prescribed level unattainable
A system does not have to be evacuated all the way to the
required level when: Correct Answers leaks in the appliance
make evacuation to the prescribed level unattainable
A system is considered dehydrated when: Correct Answers the
vacuum indicator shows you have reached & held the required
finished vacuum
A system is dehydrated to: Correct Answers remove water &
water vapor
, A system is dehydrated to: Correct Answers remove water and
water vapor
A ternary refrigerant blend is a ____ part mixture Correct
Answers 3
According to ASHRAE Guideline 3-1996, if the pressure in a
system rises from 1 mm Hg to a level above ____ during a
standing vacuum test, the system should be checked for leaks.
Correct Answers 2.5 mm Hg
According to ASHRAE's 1992 refrigerant safety classification,
which designations is the most safe Correct Answers A-1
According to the EPA there is approximately _____ refrigerant
vapor left in an average 350 ton R-11 chiller at 0 psig pressure
once all the R-11 liquid has been removed. Correct Answers
100 pounds
According to the EPA which recovery equipment maintenance
practice(s) should be preformed on a regular basis? Correct
Answers check recovery device for refrigerant leaks
After reaching the required recovery vacuum on a chiller, you
should Correct Answers Wait for at least a few minutes to see
if the system pressure rises, indicating that there is till
refrigerant in a liquid form or in the oil
After recovering the liquid refrigerant you must: Correct
Answers recover the vapor refrigerant
