轮机英语【二三管】题库

单选题 1分

if fuel oil were being discharged from the waste water outlet of a fuel oil disk type centrifuge, op...

if fuel oil were being discharged from the waste water outlet of a fuel oil disk type centrifuge, operated as separator, you should ____
  • A. slow the centrifuge to its proper speed
  • B. install an additional discharge ring
  • C. re-prime the purifier
  • D. remove the discharge ring
进入题库练习

你可能感兴趣的试题

1 单选题 1分
tablets 药片are placed in the______ and require replacement as they are used up.
  • A. waste water inlet
  • B. chlorinator ；氯化器
  • C. settling compartment
  • D. aeration compartment
3 单选题 1分
The main objective of the SOLAS Convention is ______.
  • A. to provide a solution of lowering pollution at sea
  • B. to specify minimum standards for the members composing the watch at sea
  • C. to specify minimum standards for ships considering their safety
  • D. to tell the company how to go about running their business
4 单选题 1分
Which is not the protection function of the motor?
  • A. Overload protection
  • B. Interlock protection
  • C. Short circuit protection
  • D. Zero-voltage protection
5 单选题 1分
Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they ______.
  • A. are exposed to a vacuum
  • B. come in contact with extremely hot surfaces
  • C. are reduced in temperature to just above the pour point
  • D. become extremely agitated or aerated
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