Answer Posted / p.mahesh goud

1.over current protection
2.earth falth protection
3.Distance protection
4.shart circuit protection

We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

2064

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What is different between resistance grounding system and resistance earthing system?

1164

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i want some interview related questions with their answers which can help for attend the interviews...

1657

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PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com

5455

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Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1951

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what is meant by IGBT how they differ from tyristor ?

2451

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On Which Pressure PRV is operated.

1740

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Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2600

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ACB & VCB how do work and saftes and how can maintenance in this and parts name show with picture

2121

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What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

2350

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what would u consider to be the basic purchase order information you would need to proceed with a cable inspection assignment?

1917

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what is solkor relay and which condition it will act?

3372

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what is integrated ac contact circuit

2087

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Hi Everyone ! My Name is Hakim ullah khan please i need formula of Cable Rating because i want to calculate by self without check any Table Chart... Thank you.....

1727

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What is the difference between grid and off- grid system??

1968

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