轮机英语【二三管】题库

单选题 1分

A fire involving trash and paper waste would be classified as a ____.

  • A. Class “A”
  • B. Class “B”
  • C. Class “C”
  • D. Class “D”
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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
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轮机英语【二三管】-题库

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