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輪機英語船舶動力裝置單項選擇題每日一練(2019.01.25)

單項選擇題
The indications of a scavenge fire are excessive black smoke, （） and peeling from scavenge trunking.
A.turbo-chargers surge
B.spark seen from the drains
C.paint blistering
D.all above are right
單項選擇題
A large change in ambient temperature, or using an oil of a viscosity different from the one recommended by the manufacturer in a mechanical hydraulic governor, will result in the need to adjust the （）.
A.pilot valve opening
B.compensating needle valve
C.compensating spring tension
D.accumulator spring tension
單項選擇題
To check the setting of the overspeed trip on a diesel powered generator, you would use a （）.
A.tachometer
B.torsion meter
C.dynamometer
D.pony brake
單項選擇題
（） should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.
A.The watch keeping personnel
B.The chief engineer
C.The person on a bunker barge
D.Any of the above
單項選擇題
The period of valve overlap is when （）.
A.the inlet valve is open
B.the exhaust valve is open
C.both valves are close
D.both valves are open

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