单项选择题

Which of the listed conditions will cause the feed water that has not flashed to vapor in the first-stage of a flash evaporator, to flow into the second-stage?（）

A.Gravity siphon effect
B.Higher vacuum in the second-stage
C.Difference in brine density between first and second stages
D.lower pressure in first-stage

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

A dirty intercooler on the ship service air compressor will result in （）.

A.decreased compression ratio
B.higher than normal power consumption
C.un-loader malfunction
D.water in the lubricating oil

单项选择题

The function of lubricating oil is to （）.

A.reduce friction between moving surfaces
B.provide even distribution of bearing wear
C.reduce the accumulation of harmful detergents
D.maintain a constant oil temperature output at each beating

单项选择题

In a flash distilling unit, evaporator feed (seawater) first absorbs heat in the （）.

A.vapor feed heater
B.air ejector condenser
C.saltwater heater
D.distillate cooler