Transformers The open circuit test on a transformer is always made on ______ Low voltage winding None of the listed here High voltage winding Either low or high voltage winding Low voltage winding None of the listed here High voltage winding Either low or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Energy efficiency Current efficiency None of the listed here Power efficiency Energy efficiency Current efficiency None of the listed here Power efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer is always a high voltage winding could either be a low voltage or high voltage winding None of these is always a low voltage winding is always a high voltage winding could either be a low voltage or high voltage winding None of these is always a low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Applied voltage is sinusoidal Air is not a good magnetic insulator Iron core has high permeability Transformer is not an efficient device Applied voltage is sinusoidal Air is not a good magnetic insulator Iron core has high permeability Transformer is not an efficient device ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same efficiency same kVA rating same number of turns on the secondary side. same polarity same efficiency same kVA rating same number of turns on the secondary side. ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Iron losses Eddy current loss Copper loss Leakage reactance Iron losses Eddy current loss Copper loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
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