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單項(xiàng)選擇題If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching （）.

A.the bad smoke
B.the smoky exhaust
C.the exhaust temperature
D.the peak pressure

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1.單項(xiàng)選擇題The injection may be delayed, （）the pumps are in good order, if the fuel lines to the injection valves have not been cleared of air.

A.because
B.though
C.since
D.until

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2.單項(xiàng)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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3.單項(xiàng)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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4.單項(xiàng)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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5.單項(xiàng)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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