单项选择题

The process of boiling seawater in order to separate it into freshwater vapor and brine is usually defined as （）.

A.dehydration
B.condensation
C.evaporation
D.dissolution

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单项选择题

In the production of freshwater from seawater through a process of heating and cooling, the cooling phase of production is usually called （）.

A.evaporation
B.distillation
C.dehydration
D.condensation

单项选择题

The sensing line for the low pressure cutout switch to a refrigeration system is located （）.

A.in the chill box
B.before the receiver
C.on the suction side of the compressor
D.on the discharge side of the compressor

单项选择题

Which of the following statements is true concerning any evaporator?（）

A.High conductivity of the distillate indicates distillate salinity is excessive
B.Increasing the absolute pressure of the shell will increase the distillers capacity
C.Mesh separators are used in evaporators to filter the distillate
D.Reducing the brine density will reduce the heat lost overboard