A.compressor
B.condenser
C.evaporator
D.expansion valve
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A.latent heat of fusion
B.latent heat of vaporization
C.specific heat of vaporization
D.latent heat of the gas
A.open-type
B.hermetic
C.A and B
D.None of the above
A.compressor
B.condenser
C.throttle valve
D.evaporator
A.lower；higher
B.shallower；deeper
C.larger；smaller
D.higher；lower
A.evaporation
B.frosting
C.condensing
D.compressing
最新試題
A grease gun is generally used to lubricate a （）.
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
A salinity indicator is used to determine the （）.
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
One cause of high head pressure occurring in a refrigeration system can be （）.
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
Thermostatic expansion valves can be adjusted for （）.