Transformers A common method of cooling a power transformer is air blast cooling Any of these natural air cooling oil cooling air blast cooling Any of these natural air cooling oil cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 20 V 180 V 2 V 18 V 20 V 180 V 2 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same efficiency same polarity same number of turns on the secondary side. same kVA rating same efficiency same polarity same number of turns on the secondary side. same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller about the same somewhat smaller much higher much smaller about the same somewhat smaller much higher ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine copper loss efficiency magnetising current magnetising current and loss core loss copper loss efficiency magnetising current magnetising current and loss core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 48 V 0.75 V 6 V 0 V 48 V 0.75 V 6 V 0 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS