In a refrigeration plant the （） need d

1、In a compression refrigeration plant t

In a compression refrigeration plant the refrigerant flows from the expansion valve and through the （） where it absorbs heat from the space being cooled and becomes a gas or vapor.AcompressorBcondenserCthrottle valveDevaporator

2、In the refrigeration compressor the te

In the refrigeration compressor the temperature of the vapor is （） by compression.AraisedBrisenCreducedDmaintained constant

3、The receiver used in a refrigeration s

The receiver used in a refrigeration system（）Astores liquid refrigerantBcollects non-condensable gasesCallows refrigerant sub-coolingDprevents compressor surging

4、Foaming of the oil in a refrigeration

Foaming of the oil in a refrigeration compressor crankcase is caused by （）.Arefrigerant boiling out of solution from the lube oilBliquid refri...

5、In a refrigeration system, if the cool

In a refrigeration system, if the cooling water to the condenser fails, the（）.Abox temperature solenoid valve will closeBexpansion valve will closeCcompressor will shutdownDking valve will ope

6、The temperature of the refrigerant in

The temperature of the refrigerant in the evaporator coil depends mostly upon the （）.Arefrigerant pressure in the evaporatorBcooling water temperature to the condenserCheat load in the refrigerator compartmentDsolenoid valve in the liquid line