电子电气英语【电子电气员】题库

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Bedplates are the ______of the engine, without the support of which the shaft alignment in particula...

Bedplates are the ______of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.
  • A. hull
  • B. projection
  • C. graphitization
  • D. foundation
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1 单选题 1分
The main purpose of the piston oil scraper rings is to ______.
  • A. seal the space between the piston and the liner
  • B. reduce the amount of lube oil burned in the combustion chamber
  • C. transmit heat from the piston to the cylinder liner
  • D. damp out fluctuations of the piston side thrust
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_____ used to adjust the draft and center of gravity.
  • A. Ballast tank
  • B. Bridge
  • C. Bulkhead
  • D. Bunker tank
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5 单选题 1分
VLCC stands for ______.
  • A. very large car carrier
  • B. very large cargo carrier
  • C. very large crude carrier
  • D. very large coal carrier
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相关试卷

第一章 船舶概论
第二章 船舶电气
第三章 轮机自动控制技术
第四章 船舶计算机网络
第五章 通信与导航设备
第六章 船舶管理