What is circuit breaker failure protection?

2 Answers  

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what is through fault?

0 Answers   KSEB,

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What is principle of Floroscent tube 36watt.

0 Answers   Diamiller, NDPL, Trident Hilton,

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how did the testing of protection relays done through current injection

0 Answers   Bhel,

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Why does The speed of motor used in elevator remain constant irrespective of load??

1 Answers  

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What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

0 Answers  

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What should be the earth pit resistance value?

7 Answers   BARC,

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Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

0 Answers  

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Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.

0 Answers  

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

0 Answers   SSC,

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I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)

9 Answers  

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why always out of the 3 phase(RYB) of supply, in Y phase w.r.t the voltage is higher? on R & B phase the voltage will be lower as compared to Y phase?

1 Answers  

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