Transformers The permissible flux density in case of cold rolled grain oriented steel is around 2.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Delta Star/Star Delta/Star Star/Delta Delta/Delta Star/Star Delta/Star Star/Delta ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Circular type Rectangular type Cylindrical type Sandwich type Circular type Rectangular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Static induction Self induction Dynamic induction Mutual induction Static induction Self induction Dynamic induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. More than Less than The same as None of the listed here More than Less than The same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP