What is meant by "tampering detection" of a electrical energy meter?

3 Answers  

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I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.

1 Answers   Wipro,

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Why the capacitor bank is keeping on for electricity supply and keeping it off for generator supply

3 Answers  

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dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai

0 Answers  

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in dc machines in the armature nature of power is ac but why we take rasistance instead of impedance?

1 Answers  

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What are the various types of BUSBAR Schemes? explain each

1 Answers   NTPC,

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In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?

2 Answers   Ford,

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

0 Answers  

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what is the IS foe lightning arrester?

0 Answers  

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While connecting bulb in Series/Parallel,there is any difference in glowing

3 Answers  

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if 11 lead acid batteries each 200 amph are connected in series so that combinly they can produce 110 volts dc. question is how much backup it can provide ? 2) how can we calculate that how much amprere and voltage is required to charge them . thanks in advance !

1 Answers  

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what gas is present in incandescent and florescent bulbs

4 Answers  

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