A . atmosphere
B . the fresh water
C . compressed air
D . chemical compound
[单选题]The fuel pipes and ducts should be blown with ().A . atmosphereB . the fresh waterC . compressed airD . chemical compound
[单选题]There should be a lubricating oil () between the main beatings and the crankshaft.A . filmB . capC . lacquerD . shell
[单选题]Lubricating oil should be changed on a heavy duty diesel engine when().A . it gets dark in colorB . a sample rubbed between fingers feels thinC . it has been in use for a specified intervalD . it no longer supports combustio
[单选题]Telescopic pipes to the piston of a large slow-speed main propulsion diesel engine are designed to prevent ().A . excessive crankcase pressureB . excessive lube oil temperatureC . contamination of the lube oil by waterD . contamination of the cooling
[单选题]F.or what purpose are the diving pipes used?A. To absorb heat from the sun.B. To store heat for future use.C. To turn solar energy into heat energy.D. To carry heat down below the surface.
[名词解释] 管道防腐(corrosion preventive of pipes)
[单选题]Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .A.Reduce engine speed to idle before removing the filterB.Soak the dirty filter in kerosene onlyC.Blow out the air inlet wi
[试题](b) Explain the matters that should be considered when planning the nature and scope of the examination ofC.usiter Co’s forecast balance sheet and income statement as prepared for the bank. (7 marks)
[单选题]The inner part of the condenser should be cleaned with ().A . gas oilB . diesel oilC . chemical compoundD . Freon-12
[单选题]The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in () while that for latter one is ().A . sufficient quantity; measuredB . measured quantity;sufficientC . excessive quantity;suff