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單項(xiàng)選擇題

An overspeed safety device is usually fitted to a generator engine for （） in the event of overspeed.

A.cutting power off the engine
B.increasing the fuel pump setting
C.braking the crankshaft
D.stabilizing the ship speed

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單項(xiàng)選擇題

An interlock in the remote operating valve line stops the valve （） when the engine turning gear is engaged.

A.to open
B.opening
C.open
D.opened

單項(xiàng)選擇題

An increase in load on a diesel engine results in （） of speed of the crankshaft.

A.a reduction
B.an increase
C.an outing
D.a downwards

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