Transformers The maximum efficiency of a distribution transformer is at 80% full load at full load at no load at 50% full load at 80% full load at full load at no load at 50% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has All of the listed here High permeability Low hysteresis loss High silicon content All of the listed here High permeability Low hysteresis loss High silicon content ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV 100 kV lkV 330 kV 33 kV 100 kV lkV 330 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Iron losses Total losses Copper losses Friction losses Iron losses Total losses Copper losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 5 0.2 25 0.4 5 0.2 25 0.4 ANSWER DOWNLOAD EXAMIANS APP
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