pawan


{ City } ajmer
< Country > india
* Profession *
User No # 95855
Total Questions Posted # 1
Total Answers Posted # 5

Total Answers Posted for My Questions # 2
Total Views for My Questions # 21445

Users Marked my Answers as Correct # 23
Users Marked my Answers as Wrong # 9
Questions / { pawan }
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How to find synchronous motor speed formula Ns=120f/P ?....

Cranedge,

2 Electrical Engineering 21445



Answers / { pawan }

Question { 5056 }

We all have seen transmission and Distribution lines In
transmission lines the voltage is high and current is low(to
reduce I^2r loss) and in distribution lines voltage is low
but current is high however the size of transmission wires
is bigger than that of distribution wires even though the
amount of current carried by the distribution lines is more
than that of transmission lines why?


Answer

Murali ans right nd also transmission line wire mechnical strength should be high compare 2 distribution line so transmisson line conductor thik compare 2 distribution line.

Is This Answer Correct ?    1 Yes 0 No

Question { Sanghi, 14760 }

what is Use of Stones/Gravel in electrical Switch Yard??


Answer

Stone are use in yard to increase a foot surface area bcoz surface area increase resistance increase so in faulty condition save fr human life all current flow through the earthing bcoz current always follow a low resistance path.....

Is This Answer Correct ?    0 Yes 6 No


Question { DRDO, 6196 }

In simply words(not explain any formula )what do you mean by power factor.?


Answer

Cosine Angle between voltage nd current its knw pf
in other word raito of resistanc and impedance in knw pf

Is This Answer Correct ?    17 Yes 0 No

Question { 9535 }

why are the a.c.series motors preferred for electric
traction


Answer

Bcoz of High troque and also ac supply direct given in series ac. Motor in case of dc motor ac. Supply convert in dc.. Is more expensive..nd switching controling handling is easy to Ac.

Is This Answer Correct ?    0 Yes 3 No

Question { 3537 }

Can step down transformer works as step up one???


Answer

by change the connection of the trasformer

Is This Answer Correct ?    5 Yes 0 No