Transformers The main reason for generation of harmonics in a transformer could be saturation of core fluctuating load poor insulation mechanical vibrations saturation of core fluctuating load poor insulation mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Moisture Odour Sludge Gases Moisture Odour Sludge Gases ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Mutual induction Self induction Dynamic induction Static induction Mutual induction Self induction Dynamic induction Static induction ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Eddy current loss Leakage reactance Copper loss Hysteresis loss Eddy current loss Leakage reactance Copper loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around Zero load 90% load 25% load 50% load Zero load 90% load 25% load 50% load ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current none of above will happen cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density hot because primary will carry heavy current none of above will happen cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density ANSWER DOWNLOAD EXAMIANS APP
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