Answer / devagiri

mostly megger metod is use for earth testing.

Answer / manish parekh

Thaire is 2 method of earth testing which is carry out by
earth tester instruments.
1.Three point method
2.Four Point method

thanks

Answer / gaurav kdk

1 Tow point method.
2 Three point method.
3 By megger.

1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

0 Answers  

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how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

2 Answers  

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how to calculate short circuit calculation of the transformer by usuing the percentage impedence? formula needed.

2 Answers   L&T,

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What is the dependency of stiffness on load angle??

0 Answers  

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If UG power cable both ends are to be earthed or what? If not why?

0 Answers  

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can d.c.transformer exist? if yes then what its max. rating?

6 Answers  

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how much amp MCB is required for 1/2 kva power back up?

2 Answers   Havells,

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What is the latest generation of circuit breakers called?

2 Answers   Focus, Oil India,

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pls send me some question and answer for rrb railway interviw related 2010

2 Answers   CEAT, RRB,

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speed of an electric wave

3 Answers  

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Why we are using Ohm's law? where it is applicable? explain.

10 Answers   Pyramid Saimira, TCS,

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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

0 Answers   TATA,

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