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Answer Posted / natha
a person well grounded in life and too hard to resist
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State the methods of improving power factor?
Witch do depand of Power factor and theory of power factor?
which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?
What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?
How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?
what does mean of RCT and STR in diffrential CT?
What do you mean by transformation ratio of instrument transformer?
What is current & voltage ? Voltage perform at any load without current or not?
how to calculate the change over time for star delta starter for different KW motor?
How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.
Whether the vacuum contactor requires Short circuit protection?If No,why?
Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?
what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?
