Answer Posted / atul

starter are use to reduce the high starting current and provide protection against under voltage & overload condition
in dc motor 3-pt & 4-pt starter are use. the resestance are ude to limit high starting current & nvc are use to other protection.
in ac motor dol ,star-delta,& autotransformer are use.

An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

7770

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Testing report of Earthing of 3.15 MVa PTR.

2641

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how to calculate the distance relay faulty zone?pls explain?

2096

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Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

1159

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can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

5077

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What is FTA card? How it works?

2280

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Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

1480

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how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

1803

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when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)

2041

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What is the need for a controller?

1280

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how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

2316

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What are the raitings of Mcb,mccb and Acb in detail ??

1666

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STATE WORKING OF VACCUM CIRCUIT BRAKER?

1978

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What is the previous name of Cox's Bazar

2286

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What is a slack bus?

1235

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