单项选择题
A.Condenser circulating water pump B.Feed-water heater drain pump C.Distillate pump D.Air ejector condenser drain pump
The purpose of an oil mist detector in a main propulsio...
单项选择题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
Permitting a diesel engine fuel oil day tank to run dry...
单项选择题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
Water in the fuel can prevent the engine from starting,...
单项选择题Water in the fuel can prevent the engine from starting, prevent it from developing full power, or ()
A.run at an irregular speed B.create high lube oil temperature C.cause the engine to over-speed D.cause blue smoke in the exhaust