單項選擇題

Vessels having main engines arranged for air starting are to be provided with at least （）

A.one automatic drain serving both containers
B.two air starting containers of approximately equal size
C.one control air container and one starting air container
D.one additional means of starting the main engine

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單項選擇題

Injectors for use with heavy fuel oil must be cooled by either water or light oil to （）

A.prevent heat corrosion to internal components
B.increase fuel delivery rate and economy
C.prevent pre-ignition
D.avoid carbonization of the nozzle tips

單項選擇題

If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）

A.loss of suction in the circulating pump
B.leak in the primary cooling system
C.broken raw water pump shaft
D.burned or cracked piston in one cylinder

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Vessels having main engines arranged for air starting are to be provided with at least （）

你可能感興趣的試題

Injectors for use with heavy fuel oil must be cooled by either water or light oil to （）

If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）

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