Transformers The turns ratio required to match an 80 source to a 320 load is 4 2 20 80 4 2 20 80 ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Air blast cooling Oil cooling Natural air cooling Any of the listed here Air blast cooling Oil cooling Natural air cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 90% load 25% load Zero load 50% load 90% load 25% load Zero load 50% load ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? All of these Buchholz relay Overcurrent protection Overfluxing protection All of these Buchholz relay Overcurrent protection Overfluxing protection ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Power transformer Auto transformer Current transformer Voltage transformer Power transformer Auto transformer Current transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP