Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Magnetostriction Boo Hum Zoom Magnetostriction Boo Hum ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has no losses and leakage reactance Does not work None of the listed here Has same number of primary and secondary turns Has no losses and leakage reactance Does not work None of the listed here Has same number of primary and secondary turns ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Current efficiency None of the listed here Energy efficiency Power efficiency Current efficiency None of the listed here Energy efficiency Power efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same number of turns on the secondary side. same kVA rating same efficiency same polarity same number of turns on the secondary side. same kVA rating same efficiency 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 Leakage reactance Iron losses Winding resistance Copper losses Leakage reactance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 5 MVA 1.5 MVA 15 MVA 50 MVA 5 MVA 1.5 MVA 15 MVA 50 MVA ANSWER DOWNLOAD EXAMIANS APP
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