單項(xiàng)選擇題

Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）

A.jam in the most worn part of the cylinder when the rings expand
B.break in the most worn part of the cylinder when the rings expand
C.wear eccentrically on the side opposite the end gap
D.overheat and jam at the top center on the combustion stroke

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單項(xiàng)選擇題

Before being shut down, a diesel engine should idle a few minutes in orderto （）

A.prevent governor surging at shutdown
B.make sure the fuel nozzles are flushed clean
C.prevent pressure buildup in the fuel lines
D.prevent damage from localized overheating

單項(xiàng)選擇題

The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）

A.stop the combustion air supply
B.engage the jacking gear
C.secure the lube oil pump
D.shut off the fuel at the day tank

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Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）

你可能感興趣的試題

Before being shut down, a diesel engine should idle a few minutes in orderto （）

The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）

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