單項選擇題

The effect of high vapor superheat in a refrigeration system, is a/an （）.

A.increased capacity of the compressor
B.more efficient operation of the thermal expansion valve
C.decreased capacity of the compressor
D.loss of receiver capacity

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單項選擇題

A dirty intercooler on an air compressor will cause （）.

A.damage to the un-loader operating diaphragm
B.an increase in current flow to the motor
C.high pressure in the receiver and filter
D.an excessive consumption of crankcase oil

單項選擇題

Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.

A.first stage
B.second stage
C.distillate cooler
D.salt water feed heater

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The effect of high vapor superheat in a refrigeration system, is a/an （）.

你可能感興趣的試題

A dirty intercooler on an air compressor will cause （）.

Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.