| Other Electrical Engineering Interview Questions |
|| Asked @
|how MW increase when steam input increase in turbine.
|what type of euse we should use ?
1- High resistance & low temperature
2- High temperature low resistance
|while conducting an experiment why we connect the armature
rheostat in maximum position and field rheostat in minimum
|what is the Auto Mains Failure Panel function in DG?state
|can we replace d.c.motor by 3 phase induction motor for a
|How to select the different contactors ( starter
combination) for different AC motors? what about fuse
cappacity 4 different motors too?
|why vector group is ued
|This is about the recent problem that we have faced in our
We have 6/7.5 MVA. 66/11kV three phase star - star power
transformer. The neutral was solidly connected to the
earthing mat. But because of high resistance of earthing
mat (130 ohm on LV and 180 ohm on HV), one day LV side
neutral earthing conductor melted and we had a huge damage.
Can any one plz tell me what might happen when we connect
power transformer neutral to the earthing mat which has
high resistance (>100 ohm ) ?????
|what is the problem of generator over voltage.?except
automatic voltage regulator card
|how can we avoid magnetostriction in transformer?describe
the suitable methods.
|how can we check a fully charged battery?
|why dc supply is given for excitation of ac alternator?how
dc can produce flux?
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