Solved

Match the Symptom with All Possible Causes

Question 21

Matching

Match the symptom with all possible causes. Note: The choices can be used more than once.

Premises:
non-condensable gas in system
refrigerant undercharge
improper system balancing
dirty condenser coil
defective condenser fan motor
defective evaporator fan motor
refrigerant overcharge
blocked/dirty filter
Responses:
low superheat
low operating pressures
high operating pressures
high superheat
uneven cooling
frozen evaporator coil

Correct Answer:

non-condensable gas in system
refrigerant undercharge
improper system balancing
dirty condenser coil
defective condenser fan motor
defective evaporator fan motor
refrigerant overcharge
blocked/dirty filter
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