轮机英语【二三管】题库

单选题 1分

In any diesel engine closed freshwater cooling system, the lowest pressure exists at the _____

  • A.jacket water outlet
  • B.cooling water pump outlet
  • C.heat exchanger outlet
  • D.expansion tank atmospheric vent
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1 单选题 1分
The unit of electrical resistance is the____.
  • A.ampere
  • B.volt
  • C.watt
  • D.ohm
2 单选题 1分
Synchroscope and synchro indicating lights are located on ____of main switchboard
  • A.load panel
  • B.emergency generator control panel
  • C.battery charging and discharging panel
  • D.paralleling panel
3 单选题 1分
From _____the preheated fuel is led to the settling tank
  • A.the heavy fuel oil double bottom tank
  • B.the heavy fuel oil shore connection
  • C.The heavy fuel oil bunker station
  • D.the Heavy Fuel Oil service tank
5 单选题 1分
When the interface between oil and water reaches ____ the oil outlet valve____，and the water outlet valve _____.Then the oil is discharged automatically.
  • A.upper electrode/closes/opens
  • B.upper electrode/opens/closes
  • C.lower electrode/closes/opens
  • D.lower electrode/opens/closes
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轮机英语【二三管】-题库

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