Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Cellulose Glass fibre Asbestos Mica Cellulose Glass fibre Asbestos ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Supply frequency Both power factor and load current Load current Power factor of load Supply frequency Both power factor and load current Load current Power factor of load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Buchholz's relay Breather Conservator Commutator Buchholz's relay Breather Conservator Commutator ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? High voltage winding Secondary winding Low voltage winding Primary winding High voltage winding Secondary winding Low voltage winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 1:2 Can be any ratio 1:1 2:1 1:2 Can be any ratio 1:1 2:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Mechanical strength High permeability Low hysteresis loss High thermal conductivity Mechanical strength High permeability Low hysteresis loss High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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