A.release
B.absorb
C.develop
D.regenerate
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A.release
B.absorb
C.develop
D.regenerate
A.Refrigerator
B.Refrigerant
C.Cooling medium
D.Brine
A.fan
B.compressor
C.condenser
D.evaporator
A.starting air bottles
B.diesel engines
C.boilers
D.refrigeration compressors
A.below
B.above
C.equal to
D.much larger than
最新試題
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
The major source of chemical contaminants in hydraulic fluid is （）.
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
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 （）.
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.
Low compressor head pressure in a refrigeration system can be caused by（）.