Transformers The open circuit test on a transformer is always made on ______ Low voltage winding Either low or high voltage winding High voltage winding None of the listed here Low voltage winding Either low or high voltage winding High voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Full load No load None of the listed here Half full load Full load No load None of the listed here Half full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability Mechanical strength Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to oil in the transformer mechanical vibrations magnetostriction load changes oil in the transformer mechanical vibrations magnetostriction load changes ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Core Secondary winding Bushings Primary winding Core Secondary winding Bushings Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Star Delta/Delta Delta/Star Star/Delta Star/Star Delta/Delta Delta/Star Star/Delta ANSWER DOWNLOAD EXAMIANS APP
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