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Which of the following reasons represents why the designed c

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  • 【名词&注释】

    深度基准(depth base)、水分离器(water separator)、进出口阀、高程基准面(height datum)、具体规定(specific stipulations)

  • [单选题]Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?

  • A. compression must be low for effective spark ignition
    B. compression must be low for required horsepower and torque generation
    C. compression must be low to prevent pre-ignition
    D. compression must be low to have effective pre-ignition

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]整个船舶应急电源的布置,应能在船舶横倾______度和(或)纵倾______度时仍起作用。
  • A. 15/10
    B. 22.5/10
    C. 15/7.5
    D. 22.5/7.5

  • [单选题]中版海图的山头、岛屿、明礁的高程起算面采用()为深度基准。
  • A. 理论最低潮面
    B. 1985国家高程基准面
    C. 当地平均海图
    D. B或C

  • [单选题]The bridge should inform the engine room______before passing through congested or shallow waterway.
  • A. 24 hours
    B. 2 hours
    C. 1 hour
    D. 15 minutes

  • [单选题]STCW公约附则第______,以及STCW规则______对于值班安排和应遵循的原则等作出了具体规定(specific stipulations)
  • A. 一章/A部分、C部分
    B. 三章/A部分、B部分
    C. 五章/A部分、C部分
    D. 八章/A部分、B部分

  • [单选题]油水分离器停用前,应引入海水继续运行______,停泵后关闭油水分离器的______以减少内壁氧化腐蚀。
  • A. 15min/进口阀
    B. 15min/进出口阀
    C. 30min/出口阀
    D. 30min/进口阀

  • [单选题]____ should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.
  • A. The watch keeping personnel
    B. The chief engineer
    C. The person on a bunker barge
    D. The duty deck officer

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