Transformers Primary winding of a transformer could either be a low voltage or high voltage winding is always a high voltage winding is always a low voltage winding None of these could either be a low voltage or high voltage winding is always a high voltage winding is always a low voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses hysteresis and eddy current losses magnetic losses friction and windage losses copper losses hysteresis and eddy current losses magnetic losses friction and windage losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 20 A 15 A 5 A 10 A 20 A 15 A 5 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Cylindrical type Sandwich type Rectangular type Circular type Cylindrical type Sandwich type Rectangular type Circular type ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Power factor of load Load current Both power factor and load current Supply frequency Power factor of load Load current Both power factor and load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
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