Transformers Natural oil cooling is used for transformers upto a rating of 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Voltage device Main flux device Power device Current device Voltage device Main flux device Power device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Total losses Copper losses Friction losses Iron losses Total losses Copper losses Friction losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is natural air cooling oil cooling air blast cooling Any of these natural air cooling oil cooling air blast cooling Any of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 80% 50% 65% 95% 80% 50% 65% 95% 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 2.5 W 250 W 25 W 0 W 2.5 W 250 W 25 W 0 W ANSWER DOWNLOAD EXAMIANS APP
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