轮机英语【轮机长】题库

单选题 1分

To counteract these undesirable effects cylinder oils usually contain additives formulated to impart...

To counteract these undesirable effects cylinder oils usually contain additives formulated to impart a high degree of _____ and detergency.
  • A. salinity
  • B. acid
  • C. alkalinity
  • D. sanitary
进入题库练习

你可能感兴趣的试题

1 单选题 1分
Which of the following forms of energy is demonstrated through the process of combustion?
  • A. Chemical energy
  • B. Mechanical energy.
  • C. Thermal energy.
  • D. Electrical energy.
3 单选题 1分
To meet the market requirements, a marine diesel engine should not be of ____.
  • A. big size
  • B. fuel economy
  • C. low speed
  • D. high power
4 单选题 1分
The diesel engine is a type of ____ .
  • A. turbine engine
  • B. steam engine
  • C. gas turbine
  • D. internal combustion engine
5 单选题 1分
We call a ship equipped with diesel main engine “____”.
  • A. a tug boat
  • B. an oil tanker
  • C. a salvage ship
  • D. a motor vessel
千题库百度小程序 百度扫一扫练题
千题库公众号二维码 关注千题库公众号

轮机英语【轮机长】-题库

下载App
进入题库

相关试卷

第一章 船舶主推进装置
第二章 船舶辅助机械
第三章 船舶电气和自动化
第四章 船舶轮机管理业务
第五章 国际公约、规则
专项训练一
关联题
章节练习