Answer Posted / p. ganeshmoorthy

1. System earthing
2. Equipment earthing

how we calculate electrical load on a building according to area?

2729

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In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

1978

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how does the thyistor work in dc drive?

1928

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If increased the frequency up to 1000 then what changes shows in voltage?

2371

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Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

1619

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what is meant by carrier aided trip protection in transmission line

3844

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Explain the operation carried out in thermal power stations?

982

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Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1734

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What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

2223

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sir i had plane to do some project with the base of hopkinson test in AC supply its possible

1824

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why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

2595

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what is the meaning of WYE and DELTA in Electric meter?

3767

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I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1556

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What is the working principle of servo motor? And explain it.

1876

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How can ou verify the size of conductor 50Sq.mm ACSR

1891

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