Answer Posted / shailesh chauhan

1.Earth Leakage Circuit Breaker (ELCB)
2.Miniature Circuit Breaker (MCB)
3.Moulded Case Circuit Breaker (MCCB)

How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1711

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neutral earth resistance testing is it possible for transformer while in load condition

1447

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HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

1704

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How to findout raw or ups power? its not indicated in socket,

1536

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how much excitation voltage required to generate 1mw power?

1595

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can we synchronize star system generators with delta system generators?

1447

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How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

1771

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how we select ac fuse rating of an power inverter???

1386

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What is the method to solve circuit using source transformation?

654

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how to erect roof control panel?

1525

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What information we need to prepare relay coordination chart

1840

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there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1479

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How the annunciator works ? How to do its wiring

1801

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What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

1588

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What are the protections for safe running of electric generator?

1711

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