How can I calculate the require lumen of a room. If I use
Tube Light (40 W), Or 100 W incandescent lamp. Please give
detail answer.
As per room we didnt have any standard lumen .As per our
eye seeing min 200 lux after that we sholud keep as per our
requirement based on application
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What is the difference between short circuit and overload currents?
Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?
Explain what is electric traction? Explain few advantages of electric traction system?
When capacitor bank connect on line. It's draw some current but it's current not increase of main line ammeter. Why?
If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??
at what condition restricted earth fault relay will act?
what is power transformer?
Why CT secondary is grounded?
how to prepare PPM schudule
What will be the resultant out put voltage when two different voltage rating batteries are vconnected in parallel? pls. answer with example if available.
i have one transformer 1000kva, 11/.433kv. we are using 200/5 amp. ct unit for measuring purpose, & one 800 amp. V.C.B Unit for the same t/f operate, i wants to known the primary current of T/F is only 53 amp. why we used 800 amp. V.C.B ? & 200/5 amp. CT Unit.
whats the reletion betweet flow,pressure,head,rpm and motor rating?