A.a brine pump
B.an air ejector
C.a feed water pump
D.a condensate pump
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A.a brine pump
B.an air ejector
C.a feed pump
D.distillate pump
A.dispose
B.dissolve
C.heat
D.dissipates
A.Evaporation
B.Circulation
C.Condensation
D.Distillation
A.Hydraulic oil
B.Animal oil
C.Light oil
D.Fuel oil
A.Motors
B.Check valves
C.Safety valves
D.Reducing valve
最新試題
On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.
When the steering gear is in operation, you should （）.
A grease gun is generally used to lubricate a （）.
If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.
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 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 （）.
The general purpose of a heat exchanger is to （）.
Low compressor head pressure in a refrigeration system can be caused by（）.
A pressure drop through the refrigerant liquid line may cause （）.
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.