單項(xiàng)選擇題

Increasing the speed of a rotary pump above its rated speed will result in which of the following conditions to occur?（）

A.Loss of suction
B.Increased clearances
C.Decreased clearance
D.Decreased slippage

你可能感興趣的試題

The dew point of air is reached when the wet bulb temperature is （）.

A.Twice the dry bulb temperature
B.10℃ above the dry bulb temperature
C.5℃ above the dry bulb temperature
D.Equal to the dry bulb temperature

單項(xiàng)選擇題

Which of the listed problems could produce a high absolute pressure within a flash type evaporator?（）

A.Production of high salinity distillate
B.Seawater feed temperature below 165℃
C.A leak in the first stage demister
D.A cracked distillate pump vent line

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

Increasing the speed of a rotary pump above its rated speed will result in which of the following conditions to occur?（）

你可能感興趣的試題

The dew point of air is reached when the wet bulb temperature is （）.

Which of the listed problems could produce a high absolute pressure within a flash type evaporator?（）

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