how earth resistance can be improved in dry soil

0 Answers   BARC,

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Why human body feel electric shock?

0 Answers  

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Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

0 Answers  

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what are the effects when the frequency is decreased in any ac machine

1 Answers  

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What are the different methods for calculating Short Circuit Curren?

3 Answers  

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draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

1 Answers  

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How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.

2 Answers  

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What is RTCC in a transfomer and specify its function.

11 Answers   MCB, Vodafone,

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During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

0 Answers  

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BSNL TTA EXAM QUESTION

0 Answers   BSNL,

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What should the transformer connection of a 11/220 kV step up and 66/11 kV step down transformer ?

4 Answers   CGL,

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what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

0 Answers  

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