Transformers Natural oil cooling is used for transformers upto a rating of 1000 kVA 500 kVA 250 kVA 3000 kVA 1000 kVA 500 kVA 250 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Copper loss Hysteresis loss Leakage reactance Eddy current loss Copper loss Hysteresis loss Leakage reactance Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine efficiency magnetising current copper loss magnetising current and loss core loss efficiency magnetising current copper loss magnetising current and loss core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Buchholz relay Exciter Conservator Breather Buchholz relay Exciter Conservator Breather 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 2 V 18 V 180 V 20 V 2 V 18 V 180 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 200 W 50 W 100 W 400 W 200 W 50 W 100 W 400 W ANSWER DOWNLOAD EXAMIANS APP