Transformers When load on a transformer is increased, the eddy current _____ Is increased Is decreased None of the listed here Remains unchanged Is increased Is decreased None of the listed here Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 1.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 4.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? None of the listed here Water cooled Oil cooled Air cooled None of the listed here Water cooled Oil cooled Air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Air blast cooling Any of the listed here Natural air cooling Oil cooling Air blast cooling Any of the listed here Natural air cooling Oil cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 2,400 V 240 V 120 V 12 V 2,400 V 240 V 120 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Star Delta/Delta Star/Delta Star/Star Delta/Star Delta/Delta Star/Delta Star/Star ANSWER DOWNLOAD EXAMIANS APP