Transformers The maximum efficiency of a distribution transformer is at 50% full load at full load at no load at 80% full load at 50% full load at full load at no load at 80% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Thermal overload relays Breather Conservator Horn gaps Thermal overload relays Breather Conservator Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 7.8 Ω 1.3 Ω 13 Ω 78 Ω 7.8 Ω 1.3 Ω 13 Ω 78 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine all-day efficiency temperature None of these stray losses all-day efficiency temperature None of these stray losses 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 Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Delta Delta/Star Delta/Delta Star/Star Star/Delta Delta/Star Delta/Delta Star/Star ANSWER DOWNLOAD EXAMIANS APP
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