In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?
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What happens if i apply 500V to 440V rotary Switch ?
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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in
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what r the sizes of CB's? how to select CB's?
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