What happen Grid EARTH plat got cut.

0 Answers   Zuari,

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what is specific gravity of a battery if specific gravity increase/decrease,what will happen to the voltage/current of the battery

5 Answers   NTPC,

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what's the outstanding feature of universal motor?

2 Answers   Tanfac,

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Which factor decide the colour of the light emitted from a Led?

3 Answers  

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Can anyone tell me how a 12v battery is transformed to 20,000v at the spark plug

6 Answers  

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Relation between Sq.mm of wire and Its current carrying capacity?

5 Answers  

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is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

0 Answers  

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How LT megger works ?

0 Answers  

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i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

0 Answers  

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How turns ratio test is done in three phase transformers?

2 Answers  

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is KVAR (not reverse power) relay necessary to protect from excitor field failure on a brushless, synchroneus generator? Some people with previos experince tell me no but the manufacturers tell me it is designed for that purpose. Is it that it is only necessary for brushless generators and not the older style with the slip rings and brushes?

1 Answers  

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what is the AC Plant and how can do the work with parts and picture tell us 150 Tr

0 Answers   Wipro,

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