what is name of transformer oil ?

58 Answers   L&T, MPSEB, OPTCL, Practical Viva Questions, Servo, TATA, XLPE, ZGL,

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How do you maintain the batteries for generators, what is the daily maintenance of a generator?

2 Answers   Jindal,

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what is meant by bus bar and outgoing/incoming breaker in an electrical/electronic circuit

3 Answers  

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How can the direction of a three phase induction motor be reserved

4 Answers  

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What is meant by (2 x 185) AYFY cable

3 Answers   ONGC,

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what is circulating current in parallel transformer???plus how it is generated ???plz explain in detail.........

2 Answers  

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How can we calculate the cable size??? plz give the formula !!!!!

3 Answers  

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Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

0 Answers  

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

0 Answers  

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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 Answers   Power Grid,

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what is induction relay

1 Answers  

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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

0 Answers  

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