Transformers Distribution transformers are generally designed for maximum efficiency around 90% load 50% load 25% load Zero load 90% load 50% load 25% load Zero load ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is Infinite 1 ohm 1000 ohms Zero Infinite 1 ohm 1000 ohms Zero ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a routine test None of these special test type test routine test None of these special test type test ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be fluctuating load mechanical vibrations poor insulation saturation of core fluctuating load mechanical vibrations poor insulation saturation of core ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Primary winding only Both primary and secondary windings Secondary winding only None of the listed here Primary winding only Both primary and secondary windings Secondary winding only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Winding resistance Iron losses Copper losses Leakage reactance Winding resistance Iron losses Copper losses Leakage reactance ANSWER DOWNLOAD EXAMIANS APP