可学答题网 > 问答 > 船舶电气与船舶安全题库
目录: 标题| 题干| 答案| 搜索| 相关
问题

A motor enclosure which protects again


A motor enclosure which protects against falling liquids is classified as ()

  • Awaterproof
  • Bdrip proof
  • Cspray tight
  • Dspray proof
参考答案
参考解析:
分类:船舶电气与船舶安全题库
相关推荐

1、CO2 cylinders,which protect the small

CO2 cylinders,which protect the small space in which they are stored must().ANOT contain more than 200 pounds of CO2Bbe automatically operated by a heat actuatorChave an audible alarmDAll of the above

2、Which of the motors for the devices li

Which of the motors for the devices listed below is fitted with an instantaneous overload relay?()AFanBPumpCWinchDMachine tool

3、A burning AC motor would be considered

A burning AC motor would be considered what class of fire?()AClass "A"BClass "B"CClass "C"DClass "D"

4、To repair a small electrical motor tha

To repair a small electrical motor that has been submerged in saltwater, you should ().Awash it with fresh water and apply an external sourc...

5、Reduced voltage applied to a motor dur

Reduced voltage applied to a motor during the starting period will ().Aresult in decreased acceleration time onlyBlower the starting current an...

6、Electric circuits are protected agains

Electric circuits are protected against overloads and short circuits by means of a/an ().Acircuit breakerBamplifierCdiodeDcapacitor