EPA 608 Type 2 Practice exam
Study online at https://quizlet.com/_8n5pkq
1. If a leaking appliance with a regulated refrigerant is B
not going to be repaired, it must be; retrofitted or retired within
A retrofitted or retired within 3 months. 12 months.
B retrofitted or retired within 12 months.
C replaced within 3 months.
D replaced within 12 months.
2. A high-pressure appliance containing 210 lbs. of B 10 inches of vacuum
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
3. What conditions allow for a system to be opened and A
repaired without recovering the refrigerant to the re- A system with a large leak
quired vacuum level? and internal pressure of 0
A A system with a large leak and internal pressure of 0 psig
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
4. A crankcase heater is often used to prevent refrigerant A
from mixing with compressor oil during periods of: Low ambient temperature
ALow ambient temperature
B High ambient temperature
C Low humidity
D High humidity
1/7
, EPA 608 Type 2 Practice exam
Study online at https://quizlet.com/_8n5pkq
5. Leaks must be repaired on industrial process and re- C
frigeration units with a 50-pound charge or greater 30%
when the annualized leak rate reaches _____ or more.
A 10%
B 20%
C 30%
D 40%
6. When dehydrating a system, it should be evacuated to C
a minimum level of; 500 Microns
A 30 inches of Mercury
B 25,000 Microns
C 500 Microns
D EPA does not have a requirement
7. All HVAC/R systems must be protected by a; D
A Low-pressure switch Pressure relief valve
B High-pressure switch
C Compressor impedance overload
D Pressure relief valve
8. Proper recovery techniques begin with the use of ap- C
propriate recovery equipment that has been certified EPA approved laboratory
by;
A EPA only
B Manufacturers approved by UL
C EPA approved laboratory
D EPA field supervisors
9. Refrigerants CFC-12, HCFC-22, and HFC-134a are all A-1
classified as Type _______ substances.
A B-1
B B-2
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Study online at https://quizlet.com/_8n5pkq
1. If a leaking appliance with a regulated refrigerant is B
not going to be repaired, it must be; retrofitted or retired within
A retrofitted or retired within 3 months. 12 months.
B retrofitted or retired within 12 months.
C replaced within 3 months.
D replaced within 12 months.
2. A high-pressure appliance containing 210 lbs. of B 10 inches of vacuum
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
3. What conditions allow for a system to be opened and A
repaired without recovering the refrigerant to the re- A system with a large leak
quired vacuum level? and internal pressure of 0
A A system with a large leak and internal pressure of 0 psig
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
4. A crankcase heater is often used to prevent refrigerant A
from mixing with compressor oil during periods of: Low ambient temperature
ALow ambient temperature
B High ambient temperature
C Low humidity
D High humidity
1/7
, EPA 608 Type 2 Practice exam
Study online at https://quizlet.com/_8n5pkq
5. Leaks must be repaired on industrial process and re- C
frigeration units with a 50-pound charge or greater 30%
when the annualized leak rate reaches _____ or more.
A 10%
B 20%
C 30%
D 40%
6. When dehydrating a system, it should be evacuated to C
a minimum level of; 500 Microns
A 30 inches of Mercury
B 25,000 Microns
C 500 Microns
D EPA does not have a requirement
7. All HVAC/R systems must be protected by a; D
A Low-pressure switch Pressure relief valve
B High-pressure switch
C Compressor impedance overload
D Pressure relief valve
8. Proper recovery techniques begin with the use of ap- C
propriate recovery equipment that has been certified EPA approved laboratory
by;
A EPA only
B Manufacturers approved by UL
C EPA approved laboratory
D EPA field supervisors
9. Refrigerants CFC-12, HCFC-22, and HFC-134a are all A-1
classified as Type _______ substances.
A B-1
B B-2
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