A.release
B.absorb
C.develop
D.regenerate
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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
A.starting the ME
B.starting the emergency electric alternator
C.driving the main turbine
D.driving the turbocharger
最新試題
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）
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?（）
Thermostatic expansion valves can be adjusted for （）.
The major source of chemical contaminants in hydraulic fluid is （）.
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.
The usual symptoms of cavitation in a centrifugal pump is （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.