I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

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If MF is 30000, pt ratio is 110 kV/110 v then what is the ct ratio?

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What is the Diference between DYN 11 and DYN 5 .How to change the Vector group from DYN 11 to DYN 5.

3 Answers  

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to calculate voltage drop of cable which current we consider that means full load current or panel size?

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what is real and reactive power?

2 Answers  

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What is the formula of frequency ?

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what do you mean by synchronous speed of a three phase induction motor?

5 Answers   FlexPoint,

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Define relative stability.

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In a circuit the power factor was leading what will happen?

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Is it possible to power factor more than unity?

9 Answers   BEL,

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Why Transistors are not used as switching devices?

15 Answers  

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How to desaturate a saturated CT of PS Class?

4 Answers   Electrical,

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