Which power will flow first if we switch on a motor? Active or Reactive? How?

5 Answers   NPTC,

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The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Supplies the voltage at negative vlotage

4 Answers   GNFC,

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suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?

2 Answers   ABB,

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How would you relate your key competencies to this position?

0 Answers  

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what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

0 Answers   TATA,

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what will happen if i connect the buchholz relay in reverse direction.

1 Answers   MAN,

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ouestion for the post of section engineer

1 Answers   BSNL, RRB,

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which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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how determine base of given number like 302/20=12.1

2 Answers  

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What is CCT (Correlated Color Temperature) ?

0 Answers  

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What does CDG,CDAG,CAG,VAJ,VAJH,VTT,VAZ,VAA etc. stands for in case of relays and can anyone answer to decode this codes C,V,D,G,A,X,TT,J,JH etc

4 Answers   HNL,

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what is the burden?accuracy?Knee point voltage? what is the Alternator of PGM?

0 Answers   L&T,

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