What is the max value of neutral current that can be allowed in system?

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

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In zero voltage we can pass supply to our body means we cant get shock its true ? how we can do it ?

4 Answers  

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In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

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As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

0 Answers   NAL,

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In case of 3 phase motor why it is called single phasing by failure of one phare unless there is rest two phase are acting. ?

3 Answers  

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How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

0 Answers   Oberoi,

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what do you mean by switchgears?

5 Answers   Practical Viva Questions,

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what is the difference b/w absolute encoder and incremental encoder?

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transformer 3 ph, 225 kva pri 480v, sec 208v. primary neutral connected to system, is secondary neutral to be grounded and how

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what is the significance of tan&delta and how it performed in power transformer

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What is GD2(kg-m2) for Sq. cage ind. motor?

2 Answers   ABC, Essar, MMM,

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