單項(xiàng)選擇題

A thrust bearing is used with a propulsion diesel engine to （）.

A.control axial movement of the crankshaft
B.transmit engine thrust to the propeller shaft
C.absorb vibrations in the propeller shafting
D.prevent propeller thrust from being transmitted to the hul

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單項(xiàng)選擇題

Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.

A.wheelhouse control station
B.engine room control station
C.captains office
D.chief engineers office

單項(xiàng)選擇題

Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

A.a shortened ignition delay period
B.a lean fuel/air mixture
C.excess fuel in the combustion chamber
D.rapid vaporization of injected fuel droplets

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A thrust bearing is used with a propulsion diesel engine to （）.

你可能感興趣的試題

Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.

Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

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