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Explain what is electric traction? Explain few advantages of electric traction system?
ratings of lightning arrester
How DC earth leakage currents can be reduced ?
what is the common earth
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power
Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.
What is accuracy of a measurement?
How can we calculate the motor frame sizes?
What is an ideal transformer?
how much cable size required for 70 kilowatt load.
What do you mean by turns ratio of instrument transformer?
what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?
why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?
is there any chart showing the suitable cable size according to AMP and length ? for three phase motors