Answer / abdelrahman fahmy

Air Circuit breaker
SF6
Vacuum
Air Blast
Oil immersed circuit breaker
the most common types are SF6 and Vacuum
Vacuum is compact size than the SF6

what is field flash

4 Answers   Bhel,

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I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

0 Answers  

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State magnitude criterion.

0 Answers  

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AC current is flowing in a wire in your home how can you measure it(name of the instrument)

24 Answers   NTPC, TCS,

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explain impact of tariff on energy management..? and what is ABT tariff

5 Answers   TCS,

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voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

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what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

0 Answers  

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I decided to provide a 11KV / 440V Xformer in my Substaion. What are the protection required for that?

5 Answers  

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how many methods for starting an induction motor?

7 Answers   Hindustan Unilever Limited, Hyundai, TPL,

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In Generator How suction compression power and exhaust works ?

0 Answers   Sify,

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what is meant by frequency ?

10 Answers   TCS,

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

0 Answers   Jindal,

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