單項(xiàng)選擇題

Which of the following would not cause high suction pressure?（）

A.insufficient refrigeration
B.leaky suction valves
C.expansion valve stuck open
D.suction valve not adjusted properly

你可能感興趣的試題

If the high-pressure switch on the compressor opens and stops the compressor a possible cause could be:（）

A.too much cooling water going through the condenser
B.not enough refrigerant in the system
C.a leak in the evaporator coils
D.no enough cooling water going through the condenser

單項(xiàng)選擇題

The scale trap is located between the （）

A.king valve and the expansion valve
B.solenoid valve and expansion valve
C.evaporator and receiver
D.compressor and evaporator

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