What is the difference between earthed and unearthed cable

5 Answers   FT, L&T, Suzlon,

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out of all machines which have highest efficiency and why?

2 Answers  

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What is the suitable rating of MCB for 1.5 Ton A.C and why? 1Ton= how many amperes?

5 Answers   BARC,

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What is the lower limit of break-down voltage of converter transformer.

0 Answers   Tata Steel Limited,

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which type of effect of turbine and generator reverse power protection ?

0 Answers   NTPC,

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X is a uniformly distributed random variable that takes values betweeen 0 and 1.The value of E {X3}(x cube) will be.

1 Answers   GATE,

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If a earth leakage circuit breaker trips is it possible to tell which house circuit breaker (I have four) is the faulty circuit?

1 Answers  

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what is the transformer

5 Answers  

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How to select the rating of the Transformer?

2 Answers  

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What is harmonics. How does it get generated and means to arrest harmonics

8 Answers   Airtel,

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hey guys i recently saw a long transmission line in which a sort of balloons in red and white color were hanging at each section.do u have any idea why are they kept for?

3 Answers  

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Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 Answers  

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