Answer / jun

It is done to limit output voltage during fault or
malfunction for safety reason. At normal condition this
earth connection don't have any function, it is useful only
during the above-stated condition.

How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

0 Answers  

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Why the brushes used in dc machines are made of carbon not from other metal?

3 Answers  

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What accessories required to give the motor with given circuits and do you know the ratings of those accessories?

4 Answers   Hyundai, TCS,

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What is the difference between isolators and electrical circuit breakers?

0 Answers  

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fog produced due to?

2 Answers   MAHINDRA,

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how can calculate 1kva generator running time in 1 liter keroscene

0 Answers   Kirloskar,

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if a.c supply is given to the motor,, what happen?

0 Answers   Bhel, L&T, MSEB,

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for same rating of a transformer and induction motor which one will have higher magnetising current flowing?

2 Answers  

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

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plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

0 Answers   Bhel, Maruti Suzuki,

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

0 Answers   CCP,

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What is the Derating factor of power cables when exposed to direct sunlight in (both PVC & XLPE).

1 Answers  

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