What is the Efficiency in Electric motor ?

2 Answers  

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What is an automatic controller?

0 Answers  

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what is sevice settings for mccb?How can be it setted?

0 Answers  

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1.what is electricity 2.what is electronice 3.how many modules 4.five electrical component with symbol 5.five electronice componene with symbol 6.how convert 220v.A/C to 24v/DC 7.220V.WAIRING DIAGRAM OF AMMETER/VOLTMETER/OHMMETEER

1 Answers   Hatsun,

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Merits & Demarits of Oil circuit & Air circuit breakers ?

0 Answers   Genco,

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what is the diff between VCB & ABCB breaker in substaions? explain the operating priciples of VCB & ABCB

1 Answers  

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WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?

0 Answers  

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transformers? power factor? machiences?

3 Answers  

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1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

1 Answers   L&T,

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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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Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 Answers  

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What is the formula to calculate the rating of a three phase trnasformer

1 Answers  

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