Crankcase sweating in a refrigeration

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、Sweating of the refrigeration system c

Sweating of the refrigeration system compressor crankcase is caused by （）.Atoo much superheatBinsufficient superheatCsuction pressure too lowDexcessive refrigerant returning to the compressor

3、A substantial increase in crankcase pr

A substantial increase in crankcase pressure could be an indication of （）Aexcessive lube oil pressureBthe proper seating of new ringsCa worn cylinder linerDa malfunctioning cylinder relief valve

4、In the refrigeration system, a shortag

In the refrigeration system, a shortage of refrigerant is indicated by （）.Athe compressor short cycling on high pressure cut out switchBhigh suction pressureChigh head pressureDbubbles in the sight gla

5、Sweat damage will occur in a cargo hol

Sweat damage will occur in a cargo hold containing machinery parts when（）.Athe outside air is colder than the cargoBthe air temperature of th...

6、In a refrigeration system, the refrige

In a refrigeration system, the refrigerant absorbs the latent heat of vaporization in the（）.AcompressorBcondenserCreceiverDevaporator