EPA 608 Type 2 Practice Exam Questions With Correct Answers

EPA 608 Type 2 Practice Exam Questions
With Correct Answers

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% - ANS ✔✔ - 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 - ANS ✔✔ - 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 - ANS ✔✔ - D

Pressure relief valve



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. - ANS ✔✔ - 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 - ANS ✔✔ - 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 - ANS ✔✔ - 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 - ANS ✔✔ - A

Low ambient temperature



Proper recovery techniques begin with the use of appropriate recovery equipment that has been
certified by;