Does Lightening arrest requires Earthing?..

5 Answers  

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Is 2000kva stabilizer suitable for 1h.p split air conditional

2 Answers  

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Explain working of PIU(Power Interface Unit) in Telecommunication,

7 Answers   ACME, ATC, Bharti, HCL, INDUS, Pace Pharmaceuticals,

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During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

0 Answers  

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why contactors are used ...? is contactors and relays are same ...?

5 Answers  

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what is the principle of operation of synchronous motor and generator? explain in detail.

2 Answers   Maruti Suzuki,

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What is the difference between Ceiling Fan armature and Tablefan Armature or winding.

5 Answers   Pricol,

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Keywords: Die, Card, Coin, B/N 2 To 12

0 Answers   TCS,

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How does frequency affect KVA rating of a transformer? If a 500 kva, 400 v, 60 hz t/f is to be operated on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same Also explain why do u think like that.

8 Answers  

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what is phase voltage and phase current what is line current and line phase

3 Answers   L&T,

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how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

0 Answers   Sandhar,

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why we not using 230kv directly why we are stepping down and then stepping up

2 Answers   Siemens,

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