A.by cooling sea water
B.by heating sea water
C.by evaporation of sea water
D.by purifying sea water
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A.temperature
B.water level
C.pressure
D.rate of flow
A.engine
B.sea water pump
C.cylinder cooler
D.fresh water generator
A.fresh water
B.vapor
C.mixture
D.liquid
A.temperature
B.pressure
C.velocity
D.heat
A.symptoms
B.samples
C.traces
D.tracks
最新試題
The general purpose of a heat exchanger is to （）.
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 （）.
An excessive charge of refrigerant in an air-cooled refrigeration system can cause （）.
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
A salinity indicator is used to determine the （）.
If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.
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 （）.
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）