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单选题
In the two stage flash distilling plant, which of the pumps listed is vented to the shell of the second stage in order to remove vapor from the pump suction?()
A
Condenser circulating water pump
B
Feed-water heater drain pump
C
Distillate pump
D
Air ejector condenser drain pump
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考题
单选题In which of the areas listed would you expect to find the highest salt concentration in a flash evaporator?()A
Distiller air ejector cooling mediumB
Saltwater heater dischargeC
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the condensation of the saltwater feedC
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