Answer / balaji

when ratio-arm value is low it is use to find very high
unknownimpedence value likewise when ratio-arm value is high
it is use to find very low unknownimpedence value

I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

0 Answers  

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which types of relay used in acb and vcb?

0 Answers   IBM,

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Initially motor starts with star connection ,after few timing changes to delta connection, why the motor should run continously in star connection,it gives high torque & low current?

3 Answers  

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Differentiate between voltage and current feedback in amplifiers?

0 Answers  

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How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

0 Answers   Gulf Industrial Services Company GISCO,

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how capacitance is neglected in short transmission lines ?

1 Answers   BMC, Qucab,

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In power plants the reading changes abruptly to give value (MW -25) (MVAR -15) What are the reasons for this? What is the solution?

2 Answers   GE,

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what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

0 Answers   Reliance,

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which technique servo motor tested o.k or faulty ?

1 Answers   ABB,

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If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive

0 Answers  

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explain the working principal of the circuit breaker?

5 Answers  

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why we avoid parallel operation of diesl generator?

4 Answers  

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