I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

0 Answers   NTPC,

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Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??

2 Answers  

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How to covert the ac to dc and how to control the dc output?

3 Answers   ABB,

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what is difference b/w bus duct & bus bar.

2 Answers  

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How much CTs are required to measure th curent in DOL starting of motor?PLs explain.

1 Answers  

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diffrence between windings of high tension side and low tension side of transformer

1 Answers  

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I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

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What are the essential characteristics of signal flow graphs?

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what exactly commisioning work does in electrical site work... LT side?..

0 Answers  

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Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

0 Answers   XYZ,

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why we commonly use delta star winding in power and distribution transformers

7 Answers  

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Where servomechanism is used?

0 Answers  

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