Transformers The power transformer is a constant Current device Main flux device Voltage device Power device Current device Main flux device Voltage device Power device ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Remians unchanged None of the listed here Is decreased Is increased Remians unchanged None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current copper loss efficiency of the transformer magnetising current and loss magnetising current copper loss efficiency of the transformer magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Temperature None of the listed here All day efficiency Stray losses Temperature None of the listed here All day efficiency Stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics interchanging two supply phases for quick stopping pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics interchanging two supply phases for quick stopping ANSWER DOWNLOAD EXAMIANS APP
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