Transformers A common method of colling a power transformer is Any of the listed here Natural air cooling Air blast cooling Oil cooling Any of the listed here Natural air cooling Air blast cooling Oil cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Primary reactance is too much increased None of the listed here Magnetising current is abnormally high Permeability of core is increased Primary reactance is too much increased None of the listed here Magnetising current is abnormally high Permeability of core is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have low reactance high resistance low resistance high reluctance low reactance high resistance low resistance high reluctance ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Power factor of load Both power factor and load current Supply frequency Load current Power factor of load Both power factor and load current Supply frequency Load current ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure copper loss total loss insulation resistance core loss copper loss total loss insulation resistance core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses capacitive coupling A static device Uses inductive coupling Uses electric coupling Uses capacitive coupling A static device Uses inductive coupling Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
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