Answer Posted / aree dewan

coz in telecom sector ac is always ground wheras dc is used
for battery bank as well as for BTS sector..

What is the cut-off rate?

1131

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what is servo motor and how to work it.

1898

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What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

2176

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I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

1814

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for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1465

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please explain how to do 'pole drop test' on generator?

2890

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what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

2680

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Explain the advantages and disadvantages of thermal power plant?

1082

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IN 1000kva transformer where the oil and winding temperature sensors is connected

2507

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

1958

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how to meas-our losses for L.T & H.T

2149

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WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1889

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write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2532

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how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar

1998

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WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1870

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