Transformers The permissible flux density in case of cold rolled grain oriented steel is around 1.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be switched shorted fused open switched shorted fused open ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because A static device Uses inductive coupling Uses capacitive coupling Uses electric coupling A static device Uses inductive coupling Uses capacitive coupling Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Energy efficiency Power efficiency Current efficiency None of the listed here Energy efficiency Power efficiency Current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Leakage reactance Reactive power None of the listed here Apparent power Leakage reactance Reactive power None of the listed here Apparent power ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has core of stainless steel and winding of pure copper metal interleaved primary and secondary windings a common core for its primary and secondary windings no losses and magnetic leakage core of stainless steel and winding of pure copper metal interleaved primary and secondary windings a common core for its primary and secondary windings no losses and magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
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