單項(xiàng)選擇題

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

你可能感興趣的試題

單項(xiàng)選擇題

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

單項(xiàng)選擇題

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