A.compressor
B.cooling coils
C.condenser
D.receiver
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A.condenser；evaporator
B.evaporator；compressor
C.compressor；condenser
D.None of the above
A.compressor
B.condenser
C.evaporator
D.expansion valve
A.latent heat of fusion
B.latent heat of vaporization
C.specific heat of vaporization
D.latent heat of the gas
A.open-type
B.hermetic
C.A and B
D.None of the above
A.compressor
B.condenser
C.throttle valve
D.evaporator
最新試題
Which of the following statements is correct concerning heat transfer?（）
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
A salinity indicator is used to determine the （）.
The usual symptoms of cavitation in a centrifugal pump is （）.
Which of the listed pumps is NOT a positive displacement pump?（）
The major source of chemical contaminants in hydraulic fluid is （）.
A grease gun is generally used to lubricate a （）.
A pressure drop through the refrigerant liquid line may cause （）.