Transformers Power transformers are generally designed to have maximum efficiency around 10% overload no-load near full-load half-load 10% overload no-load near full-load half-load ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Dynamic induction Static induction Self induction Mutual induction Dynamic induction Static induction Self induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current magnetising current and loss core loss efficiency copper loss magnetising current magnetising current and loss core loss efficiency copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 500 kVA 1000 kVA 250 kVA 3000 kVA 500 kVA 1000 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 2 4 20 80 2 4 20 80 ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. None of the listed here Increase the wight Provide tight magnetic coupling Reduce core loss None of the listed here Increase the wight Provide tight magnetic coupling Reduce core loss ANSWER DOWNLOAD EXAMIANS APP