Transformers The turns ratio required to match an 80 source to a 320 load is 20 2 4 80 20 2 4 80 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 30-40% 3-5% 15-30% Above 40% 30-40% 3-5% 15-30% Above 40% ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases load remains constant None of these load on it increases load on it decreases load remains constant None of these load on it increases ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Induction motor Synchronous motor Air motor Shunt motor Induction motor Synchronous motor Air motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 75% 85% 95 % 65% 75% 85% 95 % 65% ANSWER DOWNLOAD EXAMIANS APP
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