Answer / taha

ELCB mean Earth Leakage Circuit Breaker
MDB mean Main Distribution Board

Answer / xgxd

ELCB Emergency Light Circuit Board




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what is the difference between thyristor & IGBT?

2 Answers  

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what is IP55,IP65

4 Answers  

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WHY WE ARE DOING THE EARTHING IN A SYSTEM. SOME PEOPLE ARE TELLING FOR PROTECTION. WHAT PROTECTION GIVE ME THE CORRECT ANSWER.

2 Answers  

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nwhat are the main Components of servo motor?

0 Answers   BARC,

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how can you size an automatic voltage regulator?

0 Answers  

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How to do maintenance of transformer feeder.

0 Answers   KSEB, L&T, Siemens,

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what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??

1 Answers   Telco,

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how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

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what is the excess air in furnace

0 Answers  

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how do we calculate of transformer in va?what is calculation?

2 Answers  

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what will happen if 11KV is given to 1.5 square mm cable connected with constant load of 10A ?what will be the condition of cable after injecting the voltage?

1 Answers  

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what is the difference b/w pvc cu conductor and cu breaded wire..?

1 Answers  

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