轮机英语【二三管】题库

单选题 1分

Before doing any work on a hydraulic system equipped with accumulators, you should _____

  • A.drain the accumulators and purge with oxygen
  • B.bleed off all stored energy from the accumulators completely
  • C.charge the accumulators to prevent system energy loss
  • D.pump the hydraulic fluid into the accumulators to prevent fluid loss
进入题库练习

你可能感兴趣的试题

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
千题库百度小程序 百度扫一扫练题
千题库公众号二维码 关注千题库公众号

轮机英语【二三管】-题库

下载App
进入题库

相关试卷

上机真题卷十
上机真题卷十一
上机真题卷一
上机真题卷二
上机真题卷三
上机真题卷四
上机真题卷五
上机真题卷六
上机真题卷七
上机真题卷八
上机真题卷九