Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Step-up transformer Auto transformer Current transformer Potential transformer Step-up transformer Auto transformer Current transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 350 900 450 210 350 900 450 210 ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 880 V 8.8 V 88 V 8,800 V 880 V 8.8 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be poor insulation mechanical vibrations fluctuating load saturation of core poor insulation mechanical vibrations fluctuating load saturation of core ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Moisture Gases Odour Sludge Moisture Gases Odour Sludge ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Both primary and secondary windings Primary winding only None of the listed here Secondary winding only Both primary and secondary windings Primary winding only None of the listed here Secondary winding only ANSWER DOWNLOAD EXAMIANS APP
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