I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions

0 Answers   Wipro,

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Why are some relay circuts designed to have the ct current flow through the neutral instead of the phase wire, such as in some diff relays?

1 Answers  

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why core losses and copper losses does not depend on power factor?

5 Answers  

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why steady state stability limit is greater than transient stability limit ? How it can be explained ?

0 Answers  

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What is the problem if we connect a weak capacitor to the system? is that profitable or Loss?

1 Answers  

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In star and delta connected systems , for driving power and as well as light load which one you will preferred?

2 Answers   Aramco, IBM,

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how to calculate the earth mat design in 132 kv substation yard ????

0 Answers   Divis Laboratories, KSEB, SWPL,

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How to calculate cable size for a particular load? i have 12 MW,11KV Motor 3 Phase, what should be cablesize? What are the points to remember for cable sizing calculations?

2 Answers  

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What is the relation of current with torque when motor started in Y-connection???

4 Answers  

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transform oil how going to act like ainsulation purpose

1 Answers   Siemens,

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In transformer which temp should be less oil temp are winding temp?

7 Answers   TCS,

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why most of the substations are rated in multiples of 11?

4 Answers  

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