what is difference between fuse and circuit breaker?

4 Answers  

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How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1 Answers  

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What is vaccum currcuit breaker.define with cause and where be use it device?

0 Answers  

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A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

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primery try cell?

0 Answers  

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for which possible reasons a motor can fail to start??

4 Answers   CEB, Essar,

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In a 3 phase squirrel cage induction motor why does rotor rotate? will 3 phase transformer rotate like a motor if it is placed on bearings and powered up? give reason

10 Answers   Siemens,

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is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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Why transformer making sound during operations?

2 Answers  

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what is ferranti effect?

9 Answers  

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How to conduct a Hipot test on a 11KV cable?

2 Answers  

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if one potential missing in energy meter , how much % slow the energy meter?

1 Answers   NTPC, SK,

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