how to calculate no. of earthing pits and their diamensions? no. of lightning arrester rods which are required to protect a building of 35 mtr and we calculate?

5 Answers   Dharampal Premchand Limited, FlowMore, Hindustan Zinc, Ispat, Maheshwary Ispat, NDDB, Siemens,

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which motors is used in mixies

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is it possible to give the total load from the supply generator's maximum in practical?

2 Answers  

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What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

0 Answers  

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what is the difference between effective earthing and resistive earthing?

3 Answers   REL,

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

0 Answers   TNEB Tamil Nadu Electricity Board,

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what is the function of a starter in a motor? explain RLC circuit.

14 Answers  

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Safety of dry type transformer

0 Answers   Icon,

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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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explain PV modules in solar energy generation.

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When we use a multimeter, while checking continuity of a closed circuit , what is happening inside multimeter, how it is working to produce a beep wheather it is closed or open.. is there any internaly voltage/current source inside multimeter?

3 Answers   TNEB Tamil Nadu Electricity Board,

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Why can't we parallel the secondary circuits of two voltage transformers?

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