Transformers The open circuit test on a transformer gives _______ Iron losses Total losses Friction losses Copper losses Iron losses Total losses Friction losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 1000 kVA 250 kVA 3000 kVA 500 kVA 1000 kVA 250 kVA 3000 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 400 W 100 W 50 W 200 W 400 W 100 W 50 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss efficiency copper loss magnetising current magnetising current and loss core loss efficiency copper loss magnetising current magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Voltage transformer Auto transformer Power transformer Current transformer Voltage transformer Auto transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Power device Voltage device Main flux device Current device Power device Voltage device Main flux device Current device ANSWER DOWNLOAD EXAMIANS APP
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