可学答题网 > 问答 > 船舶动力装置题库,海船船员考试题库
目录: 标题| 题干| 答案| 搜索| 相关
问题

Fusible plugs are installed in fire-tu


Fusible plugs are installed in fire-tube boilers to ().

  • Aprovide a means of draining the boiler
  • Bwarn the engineer of low water level
  • Ccool the crown sheet at high firing rates
  • Dopen the burners electrical firing circuit
参考答案
参考解析:
分类:船舶动力装置题库,海船船员考试题库