Answer / k.prakashchandra

As earthing is impossible , grounding is done i.e. using the
metal body instead of earth ,for return path.

I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

0 Answers  

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when current lags behind voltage how does it affect the circuit.In other words what is the significance of lagging current?

3 Answers  

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What is the value of specific gravity in charged lead acid batteries.

11 Answers  

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how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 Answers  

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Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,

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what are the differenc between vcb and sf6 breakers

7 Answers   Google,

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what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

1 Answers  

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How to do maintenance of transformer feeder.

0 Answers   KSEB, L&T, Siemens,

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What is different between Metering CTs and Protection CTs?

4 Answers  

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What is meant by single line diagram?

2 Answers  

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how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.

1 Answers   Sojex,

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what is the purpose of interpose t/f in control and relay ckts?

2 Answers  

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