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單項選擇題The diesel engine is similar to the gasoline engine in that （）.

A.both of them are ignited by compressed air
B.both of them are the forms of external combustion engines
C.both of them have spark plugs
D.the power is developed by the piston in the cylinder

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1.單項選擇題Most troubles likely to occur with marine diesel engine can, if located in time, be remedied with no difficulty and many can be （）if the engine is maintained with a high sense of responsibility to the people on the part of the motormen and engineers.

A.found out
B.eliminated
C.avoided
D.lowered

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2.單項選擇題If （） are taken at regular intervals, any unequal distribution of load will be easily found out.

A.indicator diagrams
B.nomo-gram
C.temperature readings
D.pressure readings

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3.單項選擇題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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4.單項選擇題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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5.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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