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A variable pitch propeller is made () a boss with separate

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    螺旋桨(propeller)、质量检验(quality inspection)、极限值、活塞环(piston ring)、说明书(specification)、静平衡(static balance)、活塞式(piston)、增压器转子(blower rotor)、液压工具(hydraulic tidal stream tool)、要注意(should be noticed)

  • [单选题]A variable pitch propeller is made () a boss with separate blades mounted into it.

  • A. of
    B. up of
    C. from
    D. out

  • 查看答案&解析 查看所有试题
  • 学习资料:
  • [单选题]对筒状活塞式(piston)柴油机,在未装活塞环的条件下,活塞位于近上、下止点位置时,活塞裙部与气缸内孔单边最小间隙应不小于()。
  • A. 该处总间隙的20%
    B. 该处总间隙的25%
    C. 说明书规定极限值的20%
    D. 说明书规定极限值的25%

  • [单选题]用液压工具(hydraulic tidal stream tool)拆主机主轴承液压撑杆螺栓和缸头螺栓时,要注意(should be noticed)()。
  • A. 前者是将螺栓拉长,而后者是将螺栓压缩
    B. 前者是将螺栓压缩,而后者是将螺栓拉长
    C. 两者都是将螺栓压缩
    D. 两者都是将螺栓拉长

  • [单选题]增压器转子(blower rotor)拆卸前后不需检测()。
  • A. 轴承间隙
    B. 压气机叶轮的前间隙
    C. 压气机叶轮的后间隙
    D. 转子轴向串动量

  • [单选题]螺旋桨桨叶上的缺陷采用焊补修理后应进行()和()处理。
  • A. 正火/质量检验
    B. 质量检验/退火
    C. 探伤/静平衡
    D. 探伤/测螺距

  • [单选题]The cooling water temperature () over a period of 8 hours, and then shut down.
  • A. should be gradually increased
    B. should be gradually reduced
    C. should be constantly kept
    D. should be varied up and dow

  • [单选题]The fuel injection system is very important, so any trouble of it will () the operation of the main engine.
  • A. be affected
    B. affect
    C. be effected
    D. effect

  • [单选题]To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of ().
  • A. brass
    B. copper
    C. iron
    D. monel metal or stainless steel

  • [单选题]An automated diesel engine should normally shut down due to ()
  • A. low lube oil temperature
    B. high ambient air temperature
    C. low tube oil pressure
    D. high exhaust system back pressure

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