Answer Posted / sukhvinder

mcb : miniature circiut breaker.
mccb : metal clad or moulded case circuit breaker.
rccb : residual current circuit braeker.
elcb : earth leakage circuit breaker.
mpcb : motor protection circuit breaker.

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

2272

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1830

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How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

2683

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When can we take Neutral as common neutral link?

1597

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2030

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1978

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2098

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1108

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What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

2062

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Should power factor be low or high?

1115

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1807

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Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

1764

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1876

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1803

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How vfd saving power.

1972

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