REFRIGERATION EXCELLENCE LATEST EXAM 2025 WITH MULTIPLE CHOICE OF QUESTIONS AND DETAILED CORRECT ANSWERS ALREADY GRADED A+ AND 100% GUARANTEE PASS (BRAND NEW!!!!!)

REFRIGERATION EXCELLENCE LATEST EXAM
2025 WITH MULTIPLE CHOICE OF QUESTIONS
AND DETAILED CORRECT ANSWERS
ALREADY GRADED A+ AND 100% GUARANTEE
PASS (BRAND NEW!!!!!)




4. When measuring evaporator superheat on a commercial
system that has a long suction line, the pressure reading should
be taken at the
A. Compressor inlet
B. Evaporator outlet
C. Condenser outlet
D. Receiver Inlet - CORRECT ANSWER-A. Compressor inlet


5. Superheat measurements are best taken
A. During a hot pulldown
B. At 8°F two 12°F
C. During defrost
D. With the system operating at design conditions - CORRECT
ANSWER-D. With the system operating at design conditions

,6. A technician is checking the superheat on a multi circuit
evaporator and finds one of the circuits has a superheat that is
higher than the others. This could be caused by
A. A dirty coil
B. A refrigerant overcharge
C. Uneven air distribution
D. A blocked distributor - CORRECT ANSWER-D. A blocked
distributor


7. A TXV with an external equalizer is used on
A. Evaporators with a high pressure drop
B. Evaporators with a low pressure drop
C. High temperature application is only
D. All evaporators - CORRECT ANSWER-A. Evaporators with a high
pressure drop


8. Dry type evaporators operate most efficiently with the
superheat setting of approximately
A. 8°F to 12°F
B. 13°F to 19°F
C. 20°F to 30°F
D. 31°F to 40°F - CORRECT ANSWER-A. 8°F to 12°F


9. An evaporator used to chill liquids is operating within normal
superheat setting. But the system is not cooling the product
properly. Which of the following is most likely the cause?
A. Overcharge of refrigerant

,B. Undercharge of refrigerant
C. The circulator
D. The TXV - CORRECT ANSWER-A. Overcharge of refrigerant


10. What time interval is required between each superheat
adjustment?
A. Not less than one hour
B. About 10 to 15 minutes
C. At least a half hour
D. No time delay - CORRECT ANSWER-B. About 10 to 15 minutes


11. A low temperature evaporator used for cooling space or
product refrigeration
A. Is the same as one used for medium or high temperatures
B. Must have fins space closer together
C. Must be frosted periodically
D. Must be defrosted periodically - CORRECT ANSWER-D. Must be
defrosted periodically


12. Some special applications use a flooded evaporator
(operated full of refrigerant) in order to maintain the proper
level of liquid refrigerant, a ______ type devices used.
A. High side float
B. Capillary tube
C. AEV
D. Low side float - CORRECT ANSWER-D. Low side float

, 13. A properly functioning condenser will first
A. Condense, then de-superheat
B. Sub-cool, then de-superheat
C. Sub-cool, then superheat
D. De-superheat, then sub-cool - CORRECT ANSWER-D. De-
superheat, then sub-cool


14. The effect of an inefficient water cooled condenser will
A. Act the same as an air cooled condenser
B. Act different than an air cooled condenser
C. Always be mixed with incoming medium without being
reheated
D. Seldom be inefficient on commercial equipment - CORRECT
ANSWER-A. Act the same as an air cooled condenser



15. The refrigerant condensing temperature in a water cooled
condenser is normally about _____ higher than the leaving
water.
A. 5°F
B. 10°F
C. 15°F
D. 20°F - CORRECT ANSWER-B. 10°F


16. The refrigerant and an air cooled condenser will normally
contends at approximately _____ higher temperature than the
air passing over it.
A. 10°F