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十字头式柴油机应进行活塞运动部件与固定件()校中。

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  • 【名词&注释】

    增压器(turbocharger)、动平衡试验(dynamic balance test)、不可靠度(unreliability)

  • [单选题]十字头式柴油机应进行活塞运动部件与固定件()校中。

  • A. A.横向
    B. B.纵向
    C. C.横向和纵向
    D. D.规定要求的

  • 查看答案&解析 查看所有试题
  • 学习资料:
  • [单选题]如果某海区每年发生大风浪的概率Pw=0.25,某船每年经过该海区航行的概率Pv=0.1,该船航行不可靠度为F(t)=0.20,则该船在该海域遇险的概率P()为。
  • A. 0.0045
    B. 0.9955
    C. 0.8520
    D. 0.005

  • [单选题]消除增压器振动的方法首先应是()。
  • A. 换新轴承
    B. 动平衡试验
    C. 更换叶片
    D. 校中测量

  • [单选题]舵杆常见的失效形式中不包括()。
  • A. 轴颈磨损
    B. 表面腐蚀与裂纹
    C. 变形
    D. 折断

  • [单选题]A ()is the foundation of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.
  • A. Frame
    B. Bedplate
    C. Cylinder
    D. Liner

  • [单选题]A governor automatically controls engine speed by regulating ().
  • A. fuel supply
    B. firing order
    C. engine load
    D. oil level

  • [单选题]For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through ().
  • A. the cylinder cover
    B. the bottom of bed-plate
    C. the sump
    D. the crankcase door

  • [单选题]Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?()
  • A. Increased suction head pressure
    B. Decreased feedwater temperature
    C. Pump recirculating line being open too much
    D. Excessive feedwater temperature

  • [单选题]Camshafts are usually driven by timing gears or ().
  • A. push rods
    B. chain drives
    C. rocker arms
    D. flywheel

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