A . low lube oil temperature
B . high ambient air temperature
C . low tube oil pressure
D . high exhaust system back pressure
[单选题]How should you warm up a diesel engine that has not been run for some time? ()A . Run it at minimum speed for a period of timeB . Run it at half speed for a period of timeC . Bring it to top speed immediatelyD . Inject ether into the air intake
[单选题]_____ the engines, the diesel engine is ____ used engine on boardA.Between / more commonlyB.Among / the most commonlyC.Between / not more commonlyD.Among / not the most commonly
[单选题]The heart of the diesel engine is the () where the fuel is burnt and the power developed.A . crankcaseB . cylinderC . scavenge boxD . pisto
[单选题]The diesel engine is a type of ().A . turbine engineB . gas turbineC . steam engineD . internal combustion engine
[单选题]F.or a continuous operation diesel engine, a duplex filter unit would be the best arrangement becauseA.changing filter elements would not interrupt engine operationB.filtering occurs twice in each pass of oil through the systemC.clogging will not occ
[单选题]In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?A.Noise coming from that air starting valveB.Continuous operation of the starting air compressorC.Zero air pressure in the air starting
[单选题]D.iesel engine blow-by is the leakage of combustion gases past the( ).A.oil rings onlyB.compression and scraper ringsC.cylinder liner sealingD.cylinder liner ring grooves
[单选题]A diesel engine is similar to a gasoline engine except that the former has no ().A . cross-headB . cylinderC . connecting rodD . spark plug
[单选题]() the engines, the diesel engine is() used engine on board.A . Between;more commonlyB . Among;the most commonlyC . Between;not more commonlyD . Among;not the most commonly
[单选题]As for a diesel engine, lack of combustion air may be due to ().A . fouling turbineB . fuel pump faultsC . lubrication failureD . excessive cooling