difference between isolater and circuit breaker?

7 Answers   Adani,

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WHICH IS BETTER( FOR POWER SAVING)- ON LINE OR OFF LINE UPS ?

3 Answers   Punjab National Bank,

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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 rotor winding in induction motor is not earthed. normally we uses star winding in rotor .why?

3 Answers   Anglo Platinum, TATA,

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What is the main cause of magnetism?

0 Answers  

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why high speed tripping relay is used in protection circuit why not normal relay

0 Answers  

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What is reason of rating of transmission line multi pal of 11 like as 11/33/66/220 ? Why not use 75 kv 23 kv line in power system ?

1 Answers   Apollo, Balco, Bhel, Vardhman,

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Why human body feel electric shock?

0 Answers  

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3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

0 Answers  

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A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings?

8 Answers   TCS,

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What are the different losses In a de mac1une'! t.xplam

0 Answers  

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In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers  

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