A.exhaust and suction process
B.suction and compression process
C.combustion and exhaust process
D.working and exhaust process
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A.compression stroke
B.suction stroke
C.expansion stroke
D.exhaust stroke
A.greater distillate purity through high temperature evaporation
B.cold shocking for scale removal is not required
C.less internal corrosion because of lower brine density
D.less feed-water is required for equal plant capacity
A.refrigerant bubbles in the lube oil
B.refrigerant reducing the lube oil viscosity
C.oxidation of the lube oil from overheating
D.reducing the floc or cloud point of the oil
A.Cooling the air to a temperature just above dew point
B.Heating the air to a point at which moisture will boil off ,then re-cooling it
C.Cooling the air to a point below dew point, then reheating it
D.Heating the air and then cooling it to a point below dew point
A.broken valve springs
B.tight drive belts
C.high line voltage
D.air in the system
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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
（） is not installed on the main switchboar.
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