om prakash


{ City } rudrapur
< Country > india
* Profession * engineer
User No # 55797
Total Questions Posted # 0
Total Answers Posted # 8

Total Answers Posted for My Questions # 0
Total Views for My Questions # 0

Users Marked my Answers as Correct # 28
Users Marked my Answers as Wrong # 13
Questions / { om prakash }
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Answers / { om prakash }

Question { TCS, 48159 }

difference between ceiling fan


Answer

The ceiling fan rotates to lo speed.
But the table fan rotate high speed compare to ceiling fan.

Is This Answer Correct ?    1 Yes 4 No

Question { lenovo, 16061 }

What is the use of arc chute in ACB?


Answer

The Arc chute in ACB is use to stop spread of Arc , make it
weak and than extinguish it.

and isolate from another live.

Is This Answer Correct ?    7 Yes 0 No


Question { DRDO, 9520 }

what is the difference between thyristors and capacitors


Answer

thyristor is a switching device which requires a gate pulse
(barrier voltage)
to start. It is use only for switching

Capacitor is a storage device which store
the energy and it does not requires a gate pulse to start.
When capacitor stored energy than called charged .

Is This Answer Correct ?    3 Yes 3 No

Question { 11647 }

what happen if generator exitation lost?


Answer

If the excitation of generator is lost, than emf will not
be induced in alternator. Than we need to do excited
alternator by Outer DC voltage.

Is This Answer Correct ?    2 Yes 2 No

Question { 5552 }

which is best ac or dc


Answer

Both source are best in own areas
For transmitter and distributors AC is the best, AC motor
is lighter than DC motor;
For traction load, electrolyte, arc lamp, dc is the best

Is This Answer Correct ?    0 Yes 0 No

Question { Power Grid, 7718 }

what is neutral voltage


Answer

If star connection than Neutral voltage is zero in normal
circuit. But if unbalance load than Neutral currant can not
be zero.

Is This Answer Correct ?    5 Yes 2 No

Question { DVC, 11604 }

What will be the direction of rotation of a Alternator in case
it goes in motoring action when connected with grid ?


Answer

it will rotate in same direction as earlier and it will be
take leading current.
Like synchronisms motor

Is This Answer Correct ?    9 Yes 0 No

Question { 3997 }

compressor compresses air means exactly what happens?


Answer

Reduce the valume of air

Is This Answer Correct ?    1 Yes 2 No