Transformers Natural oil cooling is used for transformers upto a rating of 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High permeability Low hysteresis loss All of the listed here High silicon content High permeability Low hysteresis loss All of the listed here High silicon content ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Load current Power factor of load Both power factor and load current Supply frequency Load current Power factor of load Both power factor and load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Oil cooled Natural air cooled Water cooled None of the listed here Oil cooled Natural air cooled Water cooled None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is four times the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current equal to the primary current four times the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current equal to the primary current ANSWER DOWNLOAD EXAMIANS APP