why do we prefer VCB over OCB? what are the advantages of
Vaccum Ckt. Breaker over Oil Ckt. Breaker?
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Answer Posted / sithi
arc extinguish is more fastly than OCB
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Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.
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