EPA 608 Type 2 Practice exam questions with solutions 2025

EPA 608 Type 2 Practice exam questions
with solutions 2025
If 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. - ANSWER B

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 - ANSWER B 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 - ANSWER A

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 - ANSWER A

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% - ANSWER C

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 - ANSWER C

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 - ANSWER D

Pressure relief valve