單項選擇題

Care and cleanliness are required when installing diesel fuel filters （）.

A.to prevent the fuel system from becoming air-hound
B.to prevent the fuel system becoming clogged with dirty particles
C.both of the above
D.to prevent the lubricating oil from leaking out of the filter element

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單項選擇題

Bridge gauge can be used to measure （） of a diesel engine.

A.diameters of journals
B.deflections of crankwebs
C.diameters of crankpins
D.none of the above

單項選擇題

Blow-off of the relief valves of the main cylinders during operation indicates （）.

A.the cylinder cover is cracked
B.the injector holes is clogged
C.the cams are not properly set
D.fuel pump is leaking

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Care and cleanliness are required when installing diesel fuel filters （）.

你可能感興趣的試題

Bridge gauge can be used to measure （） of a diesel engine.

Blow-off of the relief valves of the main cylinders during operation indicates （）.