单项选择题
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
The sludge tank installed in the diesel engine room is ...
The sludge tank installed in the diesel engine room is used to collect（） Ⅰ.sludge from the fuel oil settling tanks ad centrifuge Ⅱ.water that has been collected in the settling tank
A.Ⅰonly B.Ⅱ only C.bothⅠand Ⅱ D.neitherⅠor Ⅱ
