Transformers The no load primary current is about ______of full load primary current. 3-5% Above 40% 30-40% 15-30% 3-5% Above 40% 30-40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Winding resistance Copper losses Iron losses Leakage reactance Winding resistance Copper losses Iron losses Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? None of the listed here Air cooled Water cooled Oil cooled None of the listed here Air cooled Water cooled Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Both power factor and load current Power factor of load Load current Supply frequency Both power factor and load current Power factor of load Load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Cu loss at no load Iron loss None of the listed here Full load cu loss Cu loss at no load Iron loss None of the listed here Full load cu loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Purely rotating one Partly alternating and partly rotating None of the listed here Purely alternating one Purely rotating one Partly alternating and partly rotating None of the listed here Purely alternating one ANSWER DOWNLOAD EXAMIANS APP
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