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 100 W 200 W 50 W 400 W 100 W 200 W 50 W 400 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Silicon steel Wood Copper Aluminium Silicon steel Wood Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine efficiency magnetising current magnetising current and loss copper loss core loss efficiency magnetising current magnetising current and loss copper loss core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Oil cooled None of the listed here Air cooled Water cooled Oil cooled None of the listed here Air cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Mutual induction Self induction Static induction Dynamic induction Mutual induction Self induction Static induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP