單項(xiàng)選擇題

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

你可能感興趣的試題

The purpose of an oil mist detector in a main propulsion diesel engine is to warn of （）

A.excessive mist density in the crankcases
B.excessively high crankcase vacuum
C.excessively high bearing temperature
D.excessive carbon buildup in the lube oil

單項(xiàng)選擇題

Permitting a diesel engine fuel oil day tank to run dry can cause （）

A.overheated injection pumps
B.water condensation in the cylinders
C.fuel dilution of the lube oil
D.air in the fuel system

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

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?（）

你可能感興趣的試題

The purpose of an oil mist detector in a main propulsion diesel engine is to warn of （）

Permitting a diesel engine fuel oil day tank to run dry can cause （）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精