Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

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WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE BETWEEN B & c CLASS SP

2 Answers   Bharti,

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please send me RRB electrical engineer previous year questions for Sr. Section Engineer

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what is the meaning of powerfactor

6 Answers   NTP,

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What is hipot test procedure?

0 Answers   CCC,

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what is high and low cut off voltage of BB and DG at SPS????????

0 Answers  

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what is the minimum pay scale for electrical engineer (building construction)in kuwait? plz revert back with yrs of experience & pay scale respectively.

0 Answers  

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we can conformed the vector group of the transformer. How?

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Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

0 Answers  

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How do we calculate the maximum amount of current in a 300 SQ.MM cable ?

1 Answers   Roto Power,

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What is touch potential and step potential?

0 Answers   IRI,

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what is the illumination level required for child play area?

0 Answers  

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