Transformers A no-load test is performed on a transformer to determine magnetising current core loss magnetising current and loss copper loss efficiency magnetising current core loss magnetising current and loss copper loss efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 100 W 200 W 400 W None of the listed here 100 W 200 W 400 W None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 80 20 2 4 80 20 2 4 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Exciter Buchholz relay Breather Conservator Exciter Buchholz relay Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Remains unchanged Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Auto transformer Current transformer Power transformer Voltage transformer Auto transformer Current transformer Power transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP