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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What is resistance reading of earth copper rod with grid and without grid?

0 Answers  

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why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?

0 Answers  

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In LRS how much water PH value maintain for good operation of motor?

3 Answers  

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how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.

0 Answers  

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the fuse is use for protection against overcurrent but at normal condition it carry the rated current then how single thin wire carry this current without melting

1 Answers  

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what kind of material to be used after ngr unit? cu or GI

1 Answers   Michelin,

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What is the type of electrical motor used in mining industries?

2 Answers  

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A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

0 Answers   Blue Star,

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What power factor maintain you maintain at u r organisation

14 Answers   Wheels India,

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How do u term the word 'OF' in Megger Testing???

2 Answers  

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WHAT MEANT BY SEVICE FOCTOR?

2 Answers  

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