what is stalling of a motor?

2 Answers   BTCL,

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Explain cmrr?

0 Answers  

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What will happen if mains neutral and generator neutral shorted?

2 Answers   Betts, Suzlon,

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what is difference between single phase and three phase.

2 Answers   Birla,

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How many types of protection relays are there based on the characteristic?

0 Answers  

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ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

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how the arcing is made in ac electric arc furnace? ( between the three electrodes in any sequences or between the electrode & the charge(steel))

1 Answers  

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one split ac how can told of this ac which Tr tell me us

0 Answers   Wipro,

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1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

0 Answers  

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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

0 Answers   TATA,

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what is the disadvantage of lagging power factor & why ?

2 Answers  

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Hydro P.P. run @ 600 rpm,8pole, Nucler P.P @ 1500rpm 4 pole , ThermlP.P @ 3000 rpm 2 pole.Why this diffrence??? when we can generate electricity @ 600 rpm then Why we had incresed speed in NPP & TPP???

3 Answers  

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