单项选择题
A.vaporizes in the condenser B.reaches the compressor through the suction line C.flashes in the liquid line D.condenses in the receiver
Thermal energy in transition is also referred to as （）....
单项选择题Thermal energy in transition is also referred to as （）.
A.heat B.power C.horsepower D.foot-pound
Noise in a refrigeration compressor can be caused by （）...
单项选择题Noise in a refrigeration compressor can be caused by （）.
A.worn bearings and piston pins B.slugging due to flooding back C.too much oil in circulation D.All of the above
The air charge leaving an intercooler, or after-cooler ...
单项选择题The air charge leaving an intercooler, or after-cooler of an air compressor can be expected to be （）.
A.superheated B.super-cooled C.at or below the dew point D.All of the above
