轮机英语【大管甲类】题库

单选题 1分

As with the refrigeration system faults and the treatments, which of the following is not true?

  • A. High condenser pressure can not be caused by overcharge or excess refrigerant in the system.
  • B. Air in the system may lead to high condenser pressure.
  • C. Under-charge will show as a low compressor pressure and large bubbles in the liquid line sight glass.
  • D. Moisture in the system may change to ice and close up the regulating valve.
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1 单选题 1分
Improper maintenance of an automatic auxiliary boiler oil burner could result in_____.
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轮机英语【大管甲类】-题库

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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
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