单项选择题
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
Under normal operating conditions, the highest temperat...
单项选择题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
Which of the listed conditions will cause the feed wate...
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
A dirty intercooler on the ship service air compressor ...
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
