how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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what shoud be strength and weakness to impress interviewer????????

0 Answers  

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Is it weather conditions make any problems to the electrical equipments and if yes means is it any precautions needed?

1 Answers   Hexaware,

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what is Ith current?

4 Answers  

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what is ground clearence in transmission system.is it varies wit conductor size,height of poles,span.

1 Answers  

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What kind of preventive maintenance are there for transformer?

0 Answers   Gulf,

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what is necessity of using isolation transformer?

4 Answers   NTPC,

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If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

0 Answers  

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WHAT IS OLTC OF TRANSFORMER? WHERE IS ITS USED EITHER ON PRIMARY OR SECONDARY SIDE OF TRANSFORMER?

2 Answers  

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minimum ohm for lighting minimum ohm for Earthing

3 Answers  

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XYZ

0 Answers   ASD Lab,

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1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 Answers   Power Grid,

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