单项选择题
A.decrease until the engine speed increases B.increase as the load increases C.decrease as the load D.increases remain unchanged
The International Code for the Construction and equipme...
单项选择题The International Code for the Construction and equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) is a part of （）
A.SOLAS B.MARPOL C.STCW D.Ballast Water convention
Which of the following conditions is most likely to occ...
单项选择题Which of the following conditions is most likely to occur when unburned fuel contaminates the crankcase of a diesel engine?（）
A.Lube oil is diluted and its viscosity is reduced B.Sulfuric acid is formed C.Bearings become pitted ad immediately fail D.Valve stems develop sludge deposits
If a few injector spray holes become plugged, the resul...
单项选择题If a few injector spray holes become plugged, the result could be （）
A.excessive surging at governed speed B.combustion knock under load C.poor fuel combustion D.all of the above
