Answer Posted / g tripathi

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I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out

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What is The Resistance Formula

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Pleae send me last 5 years of Question book about RRB chennai.

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what is earth pit , how we can measured it, what earth rods reference

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what is earthing transformer? draw the winding dia.of earthing transformer.

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what is the best transformer oil breakdown voltage?

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

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In vapour absorption refrigeration machine fluids used are

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what is RFCT and Insulgard Relay & It's function?

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Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

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How to Calculate the Fault Level of Electrical Installation

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i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

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how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

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PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

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What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

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