Transformers A no-load test is performed on a transformer to determine efficiency magnetising current and loss magnetising current core loss copper loss efficiency magnetising current and loss magnetising current core loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ Low voltage winding High voltage winding None of the listed here Either low or high voltage winding Low voltage winding High voltage winding None of the listed here Either low or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 0 W 2.5 W 25 W 250 W 0 W 2.5 W 25 W 250 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustments in secondary voltage Adjustment in primary voltage Adjustment in both primary and secondary None of the listed here Adjustments in secondary voltage Adjustment in primary voltage Adjustment in both primary and secondary None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Asbestos Glass fibre Mica Cellulose Asbestos Glass fibre Mica Cellulose ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (l-s)Ns (Ns-l)s s.N. Ns (l-s)Ns (Ns-l)s s.N. Ns ANSWER DOWNLOAD EXAMIANS APP
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