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An interlock in the remote operating valve line stops the va

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  • 【名词&注释】

    水压试验(hydrostatic test)、冷却水(cooling water)、导热性(thermal conductivity)、燃烧室(combustion chamber)、喷油器(injector)、穿透性裂纹、螺旋桨桨叶(propeller blades)

  • [单选题]An interlock in the remote operating valve line stops the valve () when the engine turning gear is engaged.

  • A. to open
    B. opening
    C. open
    D. opened

  • 查看答案&解析 查看所有试题
  • 学习资料:
  • [单选题]吊缸发现燃烧室零件表面有水锈时,表明()产生穿透性裂纹。
  • A. 活塞
    B. 气缸
    C. 喷油器
    D. 气缸或活塞

  • [单选题]涡轮壳体腐蚀后,其最小壁厚()设计壁厚的(),壳体冷却水腔经水压试验合格后方可继续使用。
  • A. 大于/50%
    B. 小于/50%
    C. 等于/50%
    D. 等于/40%

  • [单选题]赛龙艉轴承材料的缺点是()。Ⅰ.弹性低;Ⅱ.导热性差;Ⅲ.不耐高温;Ⅳ.不耐磨;Ⅴ.寿命低。
  • A. Ⅱ+Ⅲ
    B. Ⅰ+Ⅱ+Ⅳ+Ⅴ
    C. Ⅲ+Ⅳ+Ⅴ
    D. Ⅱ+Ⅲ+Ⅳ

  • [单选题]螺旋桨桨叶(propeller blades)变形较小时采用()法校正。
  • A. 冷态校正
    B. 热态校正
    C. 机械校正
    D. 加热-机械校正

  • [单选题]加热温度在()以下进行的校正为冷态校正。
  • A. 室温
    B. 0℃
    C. 150℃
    D. 250℃

  • [单选题]Exhaust temperature increases in all cylinders, the possible cause may be()(1) increased scavenging air temperature(2) air in fuel pumps and fuel valves(3) fouling of air and gas passages
  • A. (1)+(2)
    B. (1)+(3)
    C. (2)+(3)
    D. (1)+(2)+(3)

  • [单选题]Turbocharging of marine diesel engine is achieved by two distinct methods, () termed the constant pressure and the pulse system.
  • A. respectable
    B. respectful
    C. respective
    D. respectively

  • [单选题]The replacement piping for diesel engine high pressure fuel systems must be the same length and diameter as the original piping to ().
  • A. avoid unnecessary pints inventory
    B. keep torsional vibration constant
    C. use existing supports and braces
    D. maintain specified injection characteristic

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