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EPA 608 Type 2 Practice exam 2023/2024
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EPA 608 Type 2 Practice exam 2023/2024
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EPA 608 Type 2 Practice examIf a leaking appliance with a regulated refrigerant is not going to be repaired, it must be;
A retrofitted or retired within 3 months.
B retrofitted or retired within 12 months.
C replaced within 3 months.
D replaced within 12 months. - ANSB
retrofitted or retired within 12 months.
A high-pressure appliance containing 210 lbs. of R-407C refrigerant must be evacuated
(recovered) to a level of;
A 15 inches of vacuum
B 10 inches of vacuum
C 4 inches of vacuum
D 0 inches of vacuum - ANSB 10 inches of vacuum
What conditions allow for a system to be opened and repaired without recovering the refrigerant
to the required vacuum level?
A A system with a large leak and internal pressure of 0 psig
B A system that is undergoing a major component replacement
C A system that uses a CFC refrigerant
D A system that has a non-operational compressor - ANSA
A system with a large leak and internal pressure of 0 psig
A crankcase heater is often used to prevent refrigerant from mixing with compressor oil during
periods of:
ALow ambient temperature
B High ambient temperature
C Low humidity
D High humidity - ANSA
Low ambient temperature
Leaks must be repaired on industrial process and refrigeration units with a 50-pound charge or
greater when the annualized leak rate reaches _____ or more.
A 10%
B 20%
C 30%
D 40% - ANSC
30%
When dehydrating a system, it should be evacuated to a minimum level of;
A 30 inches of Mercury
, B 25,000 Microns
C 500 Microns
D EPA does not have a requirement - ANSC
500 Microns
All HVAC/R systems must be protected by a;
A Low-pressure switch
B High-pressure switch
C Compressor impedance overload
D Pressure relief valve - ANSD
Pressure relief valve
Proper recovery techniques begin with the use of appropriate recovery equipment that has been
certified by;
A EPA only
B Manufacturers approved by UL
C EPA approved laboratory
D EPA field supervisors - ANSC
EPA approved laboratory
Refrigerants CFC-12, HCFC-22, and HFC-134a are all classified as Type _______ substances.
A B-1
B B-2
C A-1
D A-2 - ANSA-1
EPA regulations require that all Industrial Process Refrigeration (IPR) systems containing more
than 50 pounds of refrigerant MUST be repaired when the annual leak rate exceeds;
A 10 %
B 20 %
C 30 %
D 40 % - ANS30 %
A high-pressure appliance containing less than 200 lbs. of an HCFC or HFC refrigerant must be
evacuated (recovered) to a level of;
A 15 inches of vacuum
B 10 inches of vacuum
C 4 inches of vacuum
D 0 inches of vacuum - ANS0 inches of vacuum
Which of the following refrigerants is classified as a very high-pressure refrigerant?
A CFC-11
B R-744
C HCFC-123
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