Transformers Power transformers are generally designed to have maximum efficiency around 10% overload no-load near full-load half-load 10% overload no-load near full-load half-load ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ None of the listed here Is decreased Remains unchanged Is increased None of the listed here Is decreased Remains unchanged Is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Primary winding only None of the listed here Both primary and secondary windings Secondary winding only Primary winding only None of the listed here Both primary and secondary windings Secondary winding only ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 73 V 88 V 880 V 7.3 V 73 V 88 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection Buchholz relay All of these Overfluxing protection Overcurrent protection Buchholz relay All of these Overfluxing protection ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Breather Exciter Buchholz relay Conservator Breather Exciter Buchholz relay Conservator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS