Transformers The iron core is used to ______of the transformer. Reduce core loss None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss None of the listed here Provide tight magnetic coupling Increase the wight ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Increase copper losses Decreases copper losses None of the listed here Cause voltage drop in the windings Increase copper losses Decreases copper losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases load on it increases load remains constant None of these load on it decreases load on it increases load remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 80% full load at full load at 50% full load at no load at 80% full load at full load at 50% full load at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Cellulose Glass fibre Asbestos Mica Cellulose Glass fibre Asbestos Mica ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current efficiency of the transformer magnetising current and loss copper loss magnetising current efficiency of the transformer magnetising current and loss copper loss ANSWER DOWNLOAD EXAMIANS APP
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