how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u

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three owners X, Y, z owned some tractors with them, on the first month x gave away the same amount of tractors to y and z ( as much as they possed), similarly in the 2nd month y gave of to x and z similarly by third month z gave to x and y. after this all X, Y, Z had 24 tractors each.

2 Answers   econ,

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How can we get a Neutral from a three phase suply? If we meet all three phases at a point to take neutral then why dont thay get sparked?

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The DC current waveform is - . What about the fire alarm waveform?

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what is model question rrb junior engineer electrical gr.II

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In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

1 Answers  

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i need to connect fact device(any one from following upsc,sssc,svc,statcom and tcsc)in 14 bus system....by using MATLAB psat software....if i connect these fact devices,i will get some error as "virtual error"...i cnt rectify this error.if anybody know that how to work in psat,pls help me to rectify this error.... or send mail me to, viki0607@yahoo.co.in

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How can a equal potential zone be carried out in conductors?

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why the neutral point of star connnection oscillates?

3 Answers   Avalon,

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Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

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how is the incoming cable size calculated for a given current rating of a panel??

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What do you mean by cold shinkable cable joint.How it is done.

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