iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

0 Answers   RRB,

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Why is earth connected to neutral on transfomer installations

2 Answers   VACC,

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How can we choose the rating of submersible motors

0 Answers  

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how to calculate the capacity of CT operated LT trivector meters on a particular distribution transformer.

1 Answers  

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1 sq mm conductor=? how many amps

3 Answers  

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what would happen when synchronous motor will operate beyond syncronous speed?

3 Answers  

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What is R/X ratio? I have heard that this ratio is higher in a radial distribution system.Why is it so? I would appreciate a word. Thank you

1 Answers   Power Grid, Vignan University,

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why the CT ratio secondary is always divided by 5 for eg( 75/5,80/5,50/5)

6 Answers  

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-----------means a source which can supply a constant voltage to aload irrespective of the valu of load resistance.

2 Answers  

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In batteries after completion of charging which colour gas is emitted from it?

2 Answers   Essar,

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i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

0 Answers  

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WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?

5 Answers   ABB, Nissi Engineering Solution, NSL Sugars,

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