Transformers The dielectric strength of transformer oil is expected to be lkV 33 kV 100 kV 330 kV lkV 33 kV 100 kV 330 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 30-40% Above 40% 15-30% 3-5% 30-40% Above 40% 15-30% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine stray losses None of these all-day efficiency temperature stray losses None of these all-day efficiency temperature ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Current efficiency Power efficiency None of the listed here Energy efficiency Current efficiency Power efficiency None of the listed here Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 18 0.18 0.018 5.5 18 0.18 0.018 ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Dynamic induction Self induction Static induction Mutual induction Dynamic induction Self induction Static induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP