Answer / binod

THE FOLLOWING TEST ARE THE MINIMUM REQUIRED BEFORE CHARGING
A TR.
1)short cicuit test
2)opencircuit test
3)insulation test
4)magnetic core blance test
5)tan delta test
6)transformer oilo B.D.Vtest
7)silicagel color test
8)w/t&o/t functioning test
9)buchhols contact operation test
10)prv working test

WHAT DRESS I SHOULD WEAR WHILE ATTENDING AN INTERVIEW? PLEASE SPECIFY THE STYLE AND COLOUR. CAN A LADY WEAR CHUDIDAR FOR AN INTERVIEW?

6 Answers   Wipro,

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What is the black star?

2 Answers  

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what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

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Why front mounted CT polarities are always towards breaker?

0 Answers  

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What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

0 Answers   JSW,

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What will be the effect if I use inverter as UPS mood?

0 Answers  

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What is a fuse? How does it work? What are materials used?

0 Answers  

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arcing is due to only capacitance or it is due to both inductance and capacitance? explanation.

2 Answers  

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What is disadvanage if power factor goes to in leading..?

0 Answers  

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When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?

2 Answers  

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How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

0 Answers  

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auto reclosing scheme for radial ehv feeder is to be implemented or not?

1 Answers   State Board,

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