Answer Posted / jagadish s

for eg if we rub our scale on our hair then static
electricity is produced

sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1937

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How to calculate multiplication factor in kva example 500kva ans pls ?

1950

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why do we put a transformer on soak before loading it

1138

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Define bibo stability.

1069

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1874

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what is gridrotor resistance starter

1869

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Transformer diagram mention each parts ?

2034

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In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

4226

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if we give 60 hz single phase supply to the transformer used in europe , than what will happen

1933

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Which types of gate insttaled in static switch. Please give me answer.

1620

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in the case of 6.6kv motor starter combination contain fuses on it VCB. but in 11KV motor starter combination Fuses are not using in it's VCB why?

2274

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what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

2186

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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2340

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what is the relation between size of the anteena and wavelenghth of radiated wave

2171

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Zone of protection and tripping scheme of arc protection relay.

1868

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