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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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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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