單項選擇題

A dirty intercooler on an air compressor will cause （）.

A.damage to the un-loader operating diaphragm
B.an increase in current flow to the motor
C.high pressure in the receiver and filter
D.an excessive consumption of crankcase oil

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單項選擇題

Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.

A.first stage
B.second stage
C.distillate cooler
D.salt water feed heater

單項選擇題

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

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A dirty intercooler on an air compressor will cause （）.

你可能感興趣的試題

Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.

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?（）