單項選擇題

In a flash evaporator, scale as a result of higher than normal temperatures in most likely to occur in the （）

A.second stage feed heater
B.saltwater feed heater
C.distillate cooler
D.second stage vapor separator

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單項選擇題

Small droplets of water entrained in the flashed vapor produced in a flash-type evaporator, are removed by the （）

A.spray pipes
B.demisters
C.condensers
D.splash baffles

單項選擇題

The demisters installed in a flash-type evaporator serve to （）

A.deaerate the first effect distillate
B.filter the condensed flash vapors
C.deaerate the first and second effect distillate
D.remove small water droplets entrained in the flashed vapor