Any electric motor can be constructed to be().
- Ashort proof
- Bground proof
- Cexplosion proof
- Doverload proof
Any electric motor can be constructed to be().
1、The construction portfolio may be incl
The construction portfolio may be included as part of the ship().Ageneral plansBoperating manualCbuilders documentationDCCS file
2、Electric generators can be protected a
Electric generators can be protected against overload().AWith switchesBWith a governor on the engineCWith fuses or circuit breakersDBy using heavy wire
3、If the electric motor driving an air c
If the electric motor driving an air compressor fails to start, the cause may be a ().Aleaking unloaderBtripped circuit breakerCcontrol line leakDdefective pop valve
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、If a small electric motor is immersed
If a small electric motor is immersed in salt water it should be ()(1) washed in fresh water(2) dried in an ovenA(1) onlyB(2) onlyCboth (1) and (2)Dneither (1) or (2)
6、Which of the following electric motors
Which of the following electric motors would be the safest and most reliable to use on the main deck of a vessel in foul weather conditions?()ASealed motorsBDrip proof motorsCEnclosed motorsDWatertight motor