A motor enclosure which protects against falling liquids is classified as ()
- Awaterproof
- Bdrip proof
- Cspray tight
- Dspray proof
A motor enclosure which protects against falling liquids is classified as ()
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