Electrical failures in motors are caused by the breakdown of insulation, which may be caused by ()
- Apenetration of moisture
- Baccumulation of dirt
- Coverheating
- DAll of the above
Electrical failures in motors are caused by the breakdown of insulation, which may be caused by ()
1、Ignition failure in an automatically c
Ignition failure in an automatically controlled auxiliary boiler could be caused by()Acarbon deposits on the flame scannerBhigh fuel oil temperatureClow fuel oil viscosityDhigh steam pressure
共因故障 common cause failure
3、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...
4、Electrical power is expressed in ()
Electrical power is expressed in ()AohmsBvoltsCampsDwatt
5、In Trial 9, the electrical force exert
In Trial 9, the electrical force exerted by Sphere Y on Sphere X and the electrical force exerted by Sphere X on Sphere Y were exerted in which direction(s)?Aeast; eastBeast; westCwest; westDwest; east
6、The operator of electrical motors shou
The operator of electrical motors should keep a constant check on the loads they carry because ()Alow loads necessitate frequent insulation cl...