Transformers The efficiencies of transformers compared with that of electric motors of the same power are about the same somewhat smaller much smaller much higher about the same somewhat smaller much smaller much higher ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Boo Hum Magnetostriction Zoom Boo Hum Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine stray losses temperature None of these all-day efficiency stray losses temperature None of these all-day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same kVA rating same efficiency same number of turns on the secondary side. same polarity same kVA rating same efficiency same number of turns on the secondary side. same polarity ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current copper loss magnetising current and loss efficiency of the transformer magnetising current copper loss magnetising current and loss efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
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