Answer / umair mustafa

Superposition theorem

what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?

1 Answers  

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RESISTONS R1 AND R2 in parallel = Total R.? 1-R=R1+R2 2-R=1/R1 + 1/R2 3-1/R + R1+R2 R=R1R2/R1+R2 select one

2 Answers   BSNL, PGVCL Paschim Gujarat Vij Company Limited, TCS, Wartsila,

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what is the difference between electrical & electronics

245 Answers   Axon Constructions, Banking, GDA Technologies, Infosys, MBA, Satyam, Satyam Tech, Snow White, TCS,

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DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED R VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV

2 Answers  

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We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

1 Answers   Suzlon,

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What happen to generator if i have unbalanced load?

0 Answers   Reliance Energy, Sail, TCS,

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IC 741 is opampIC..moreover AND OR NOT ICs also have '74' in them.. why is that number specifically used?

1 Answers  

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Is the inductance parameter of transmission line affected by taking the earth into consideration?is the same true for capacitance? Justify the answer.

1 Answers  

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why it is unable to birds to be on a 220kV 0r 132 kv lines like on 33kV and 11kV lines?

4 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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a transformer can beb used as aload?give discription

2 Answers   Esses Eltech Systems,

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75kw drive operated motor current fluctuation from(85-130)ampere.current setting in drive is 130amp.sometimes motor trip when current limit cross 130amps.I change the drive. still current fluctuate between 80-130amps but in this time motor not trip,current setting in drive is 130amps.where is the problem?

1 Answers  

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Safety of dry type transformer

0 Answers   Icon,

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