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單項選擇題If cylinder liner wear is up to maximum limits the possibility of scavenge fires will not be materially reduced until the liners are （）.

A.polished
B.renewed
C.adjusted
D.ground

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1.單項選擇題Fuel injection equipment must be kept in good condition, timed correctly, and the （）in each cylinder must also be carefully balanced so that individual cylinders are not overloaded.

A.MIP
B.MCR
C.MEP
D.BHP

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2.單項選擇題If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to （）the engine.

A.stop
B.start
C.speed up
D.slow down

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3.單項選擇題The lubrication to the cylinders affected by the fire must be （）to prevent seizure and all scavenge drains must be （）to prevent the discharge of sparks and burning oil from the drains into the engine room.

A.decreased；opened
B.decreased；shut
C.increased；opened
D.increased；shut

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4.單項選擇題If a scavenge fire starts, the engine must be put to “（）” and the fuel must be taken off the cylinders affected by the fire.

A.stop engine
B.finished with engine
C.dead slow ahead
D.dead slow astern

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5.單項選擇題In ships where the engine room is designed as UMS, temperature sensors are fitted at critical points within the scavenge spacesActivation would cause automatic （）of the engine.

A.stop
B.start
C.speed up
D.slow down

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