power factor is max for which welding
a.arc b.resistance
c.gas
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1. What is the difference between ac induction motor and ac synchronous motor?
why we are using2 wave trap in a feeder?
how speed control of induction motor?
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Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV,20kV, 30kV?
Petroleum jelly is applied to the terminals of the lead acid battery is to prevent?
what the different types of cables used for 11kv and 33kv over head work and what is the size of cable in sqmm.
2 Answers Ordnance Factories Board,
50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????
hi i have a 400kva transformer i want to know the test i can use to check on it thx
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If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?
In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?
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