Answer Posted / syam mohan

it will absorb the vibrations of the transformer,provide a
good conducting path to the earthing, prevent the growth of
plants, To avoid water stagnation

what is harmonics? what are the factors it will depend upon

2032

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If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?

5245

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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

2525

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in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1857

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How can you sized or estimate the ligthning arrester current rating?

2139

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Sate maximum power transfer theorem?

1126

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If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

2228

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2272

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Post possible questions for Power Factor Panel FAT / SAT

1407

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if a.c supply is given to the motor,, what happen?

2162

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If not into production, how far did you follow the design and why did not you see it into production?

2176

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Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

5110

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what are the principles of a booster converter?

2069

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Explain marx circuit.

1342

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briefly explain principle of resistance welding

1852

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