轮机英语【二三管】题库

单选题 1分

Saltwater is typically provided to a refrigeration system to ___.

  • A.prevent refrigerant superheating
  • B.cool the expansion valve
  • C.prevent motor overheating
  • D.condense the refrigerant gas
进入题库练习

你可能感兴趣的试题
2 单选题 1分
Small oil spills on deck can be prevented from contaminating any waters by____.
  • A.plugging all scuppers and drains
  • B.thoroughly draining all bunkering hoses
  • C.regularly emptying all drip pans
  • D.placing floating booms around the ship
3 单选题 1分
The main purpose of warming up the main engine is____.
  • A. to reduce heat stress
  • B. to reduce low temperature corrosion
  • C. to improve firing and starting performance
  • D. for fuel saving
4 单选题 1分
In order to reduce the chance of detentions ships should routinely verify the following except for____.
  • A.fan damper operation is smooth and operates through the full range of open to close、
  • B.fan damper locking pins are free to be removed without significant effort、
  • C.fan damper operating handles are free to move without significant effort、
  • D.fan damper are properly coated with white paint、
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【二三管】-题库

下载App
进入题库

相关试卷

上机真题卷十
上机真题卷十一
上机真题卷一
上机真题卷二
上机真题卷三
上机真题卷四
上机真题卷五
上机真题卷六
上机真题卷七
上机真题卷八
上机真题卷九