Answer / s.suresh

I think that Hp rating is only the motor rpm, whenever the
wattage is only the electric current ratio.

How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

1 Answers   HAL,

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how to determine the inrush current of a transformer

0 Answers  

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In ac circuit R,L,C are connected in series what is the output the circuit? explain

4 Answers  

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what is the different between bus section and bus coupler

1 Answers  

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

0 Answers   RRB,

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why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.

1 Answers  

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could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 Answers  

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3.The slip of an IM UNDER FL condition is about.....

1 Answers   SSC,

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In LT cables 3.5 core cable are available that means 3 core and .5 for neutral Why .5 for neutral and is there any reason for that please suggest thanks and regards pavan kumar

1 Answers   Sodexo,

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if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

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is it possible to use a tranformer to regulate an unstable system voltage?

3 Answers  

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What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

0 Answers   HPCL,

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