Why dc Supply used in Control circuit.

12 Answers   HP,

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What's is the difference between IVT and CVT?

1 Answers   CPCL,

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why power factor laggs and leads in case of inductance and capacitance??

1 Answers  

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we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 Answers   ABB,

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describe the Tranformer testing procedure

0 Answers  

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how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?

1 Answers  

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There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?

3 Answers  

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what is the diffrence between resistive load and capoasitive load.?

4 Answers  

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which circuit takes max. load & which circuit takes min. load i.e. SERIES CIRCUIT OR PARALLEL CIRCUIT??

3 Answers  

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What are the safety measures of Alternator Explain them?

1 Answers   HSL,

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why the name trunking bus PT

0 Answers   Siemens,

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what type questions asked in hp cl

0 Answers   HPCL,

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