正确答案: A

0.5—6

题目:备车时间的长短,各类船舶有所不同,一般在()h。

查看原题 查看所有试题

学习资料的答案和解析:

  • [单选题]水润滑式艉轴工作轴颈包覆(),非工作轴颈包覆()。
  • 铜套/玻璃钢


  • [单选题]An aluminum piston has lower inertia and higher coefficient of () compared to that of cast iron.
  • thermal expansio


  • [单选题]Heat energy is a source of power, but () will cause damage to the engine.
  • excessive heat


  • [单选题]Low compression of diesel engine may result from ()
  • a worn cylinder


  • [单选题]The scavenging air ports are located at () that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
  • such a height


  • [单选题]Valve gear knocks are more easily located while the engine ().
  • is running


  • [单选题]Vents are led from the engine to the head tank for the release of () from the cooling water.
  • air


  • 推荐下载科目: 轮机维护与修理题库 船舶人员管理题库 修船过程中的组织管理题库 船舶辅机(三管轮)题库 舵机题库 航海学(大副)题库 船舶动力装置题库 航海学题库 柴油机的起动、换向和操纵系统题库 柴油机系统题库
    @2019-2025 必典考网 www.51bdks.net 蜀ICP备2021000628号 川公网安备 51012202001360号