Three way plug point is there ,in that plug why we need earth pin is bigger than compare with phase and nutral pins?

7 Answers   IIT,

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Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

0 Answers   NCC,

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Why we apply 100ADC for contact resistance measurement?.If we apply AC what will happen

4 Answers  

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Define phase cross over?

0 Answers  

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What are the condition for parallel operation of transformers?

2 Answers   Alfanar,

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what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?

2 Answers  

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what is the differencce inn series and cascade connection??

0 Answers  

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Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

0 Answers  

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how can alculate the apfc panel rating?

3 Answers  

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iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

0 Answers  

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What is the effect if power factor is above 1 or unity.

15 Answers   NTS,

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what is the basic principle of TV camera?

0 Answers   BZU,

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