Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

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what is corona effect

3 Answers  

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What is the difference between Off line UPS and Line interruptible UPS?

1 Answers   Etisalat,

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how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 Answers   Alstom, Infotech,

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without any theoretical calculations, can u approximately tell the current rating of a motor(above 30hp)working at 415VAC.

7 Answers  

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why the air gap is necessary in the transformer core

1 Answers   Eskom,

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1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

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why insulation cost is more in underground cable than in overhead line?

2 Answers  

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how solar power plant energy meter multiplication factor

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What is essential to prove safe isolation of electrical circuit?

0 Answers  

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How the oil level of the Buchholz Relay come down.

3 Answers  

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How will earthing is making for Aeroplane?

5 Answers  

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