QUESTIONS AND CORRECT DETAILED ANSWERS LATEST
UPDATES 2025-2026 (VERIFIED ANSWERS) EPA 608 TYPE
2 EXAM ALREADY GRADED A+
When a unit is opened for servicing, the _______ should always be replaced. -
ANSWER-Filter-drier.
The evaporation temperature of R-134A at 0 psig is? - ANSWER--15F
Refrigerant should be removed from the condenser outlet if the? - ANSWER-
Condenser is below the receiver.
In a refrigeration system, the component directly following the evaporator is the?
- ANSWER-Accumulator.
Before using a recovery unit to remove a charge, what steps should be taken? -
ANSWER-A.) Check service valve positions
B.) Check the oil level in the recovery tank.
C.) Evacuate recovery unit & recovery tank.
, After reaching the required vacuum on a system you must? - ANSWER-Wait to see
if the pressure rises, indicating that there is still refrigerant in liquid form or
refrigerant trapped in the oil.
Which component is NOT part of the low side of the system? - ANSWER-Receiver.
Refrigerant leaves the receiver of a system as a? - ANSWER-High pressure liquid.
Use ___________ to remove ice from a sight glass. - ANSWER-An alcohol spray.
Soap bubble testing is used to? - ANSWER-Pinpoint refrigerant leaks.
The refrigerant pressure inside an R-12 unit which is at room temperature (72F) &
not operating is? - ANSWER-Approximately 74 psig.
R-410A requires a high pressure manifold gauge & hose set. They must have a? -
ANSWER-4000 psig burst pressure & 800 psig working pressure.
The refrigerant pressure inside an R-410A unit which is at room temperature (72F)
& not operating is? - ANSWER-Approximately 210 psig.
A recovery machine that uses a hermetic compressor will overheat when drawing
a deep vacuum because? - ANSWER-The motor needs a flow of refrigerant
through the compressor to provide motor cooling.
On refrigeration units that use an open compressor; the _______ is most likely to
leak if the unit is not used for several months. - ANSWER-The rotating shaft seal.