必典考网

船舶动力装置题库2022模拟试题97

来源: 必典考网    发布:2022-04-08     [手机版]    
  • 下载次数:
  • 支持语言:
  • 787次
  • 中文简体
  • 文件类型:
  • 支持平台:
  • pdf文档
  • PC/手机

导读

必典考网发布船舶动力装置题库2022模拟试题97,更多船舶动力装置题库的模拟考试请访问必典考网海船船员考试题库频道。

1. [单选题]使用含有()的燃油添加剂,可使烟灰失去粘性,导致烟灰沉积趋势的减少。Ⅰ.氧化铜;Ⅱ.氧化铁

A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ+Ⅱ
D. Ⅰ,Ⅱ都不对


2. [单选题]水润滑式艉轴工作轴颈包覆(),非工作轴颈包覆()。

A. 铜套/塑料
B. 橡胶套(rubber tubing product)/塑料
C. 玻璃钢套/橡胶
D. 铜套/玻璃钢


3. [单选题]水润滑式艉轴的()包覆铜套,以防止腐蚀。

A. 工作轴颈
B. 非工作轴颈
C. 2/3轴颈长度上
D. 轴颈全长


4. [单选题]新制艉轴铜套的厚度应为()。

A. 0.02d+5mm
B. 0.015d+3.5mm
C. 0.03d+7.5mm
D. 0.01d+2mm


5. [单选题]航行时,水润滑艉轴承填料密封装置应将压盖螺栓(),停航时将压盖螺栓()。

A. 旋松/旋松
B. 旋松/上紧
C. 上紧/上紧
D. 上紧/旋松


6. [单选题]After fitting back in place the gear wheels, dont forget () them.

A. to grease
B. greasing
C. oiling
D. lubricating


7. [单选题]Increased air () will raise scavenge efficiency and allow a greater mass of air to be compressed; more fuel may now be burned giving an increased power.

A. specific volume
B. density
C. viscosity
D. calorific value


8. [单选题]Main bearings are required to support the crankshaft at each ().

A. end
B. web
C. pin
D. journal


9. [单选题]The high pressure in fuel injection system of the diesel engine is produced by the ().

A. injector pump
B. fuel injector
C. governor
D. turbocharger


10. [单选题]For Vee-form engines, () is shaped to given two slopping surface on which () are placed at the correct relative angle to each other.

A. the bottom of the column;the cylinder blocks
B. the top of the column;the cylinder heads
C. the top of the column;the cylinder blocks
D. the bottom of the column;the cylinder head


  • 查看答案&解析 查看所有试题

  • 本文链接:https://www.51bdks.net/show/0pnwn.html

    @2019-2025 必典考网 www.51bdks.net 蜀ICP备2021000628号 川公网安备 51012202001360号