Transformers Negative voltage regulation is indicative that the load is inductive or resistive capacitive only inductive only None of these inductive or resistive capacitive only inductive only None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Cellulose Asbestos Glass fibre Mica Cellulose Asbestos Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss magnetising current efficiency copper loss magnetising current and loss core loss magnetising current efficiency copper loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 880 V 88 V 8,800 V 8.8 V 880 V 88 V 8,800 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine temperature all-day efficiency None of these stray losses temperature all-day efficiency None of these stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ Primary reactance is too much increased Primary will draw large power None of the listed here Core losses will be excessive Primary reactance is too much increased Primary will draw large power None of the listed here Core losses will be excessive ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS