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Power Grid Interview Questions
Questions Answers Views Company eMail

what is mix design

23 28846

I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

1700

how we calculate the dick for a pole?

1914

1.generator rated as 1000 mva,11kv .8 pf what will 0.8 pf will indicate? 1.max pf it can supply 2.min pf it can supply like this 4 options there what is answer.explain

5 13045

1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 2905

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 34047

which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

3 5459

what will happen when power factor is leading in distribution of power?

10 21886

can we connect both delta and star to the transformer secondary and for what reason?

5 8346

What happens if the capacitive reactance of a transmission line is very high?

5 14690

sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 13822

Why we need to carry out knee point voltage test of current transformer ?

1 7007

what is tan delta measurement?..... why that terminal is earthed.....?

4 7589

what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

1845

We know no of electron and proton in atom but how many Neutron are thire in an atom ?

1 3825

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1791