轮机英语【轮机长】题库

单选题 1分

Which of the following is not the characteristic of the radial piston pumps?

  • A. The capacity per revolution of this type pump is usually fixed.
  • B. In this design the rotating cylinder barrel or rotor is tilted (together with the porting faces) at an angle to the input drive shaft to produce the basic piston oscillation.
  • C. There is a single eccentric and the eccentricity can be adjusted to vary output.
  • D. This type of pump generally gives lower flows than other designs.
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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
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