Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 200 W None of the listed here 100 W 400 W 200 W None of the listed here 100 W 400 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 50% 80% 65% 95% 50% 80% 65% 95% ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a None of these routine test type test special test None of these routine test type test special test ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means locking of rotor due to harmonics pulling the motor directly on line without a starter starting the motor on load which is more than the rated load interchanging two supply phases for quick stopping locking of rotor due to harmonics pulling the motor directly on line without a starter starting the motor on load which is more than the rated load interchanging two supply phases for quick stopping ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.4 9.6 0.96 4 0.4 9.6 0.96 4 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 200 W 50 W 100 W 400 W 200 W 50 W 100 W ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS