Electrical Machines Which of the following is not a part of transformer? Tap changer. Conservator tank. Radiator. Commutator. Tap changer. Conservator tank. Radiator. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC generator will be in a position to build up without any residual magnetism in the field? Compound. Shunt. Separately excited. Series. Compound. Shunt. Separately excited. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The short circuit test on a transformer is conducted to obtain eddy current loss. copper losses. hysteresis loss. core loses only. eddy current loss. copper losses. hysteresis loss. core loses only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on None of these either of these. stationary magnetic field. rotating magnetic field. None of these either of these. stationary magnetic field. rotating magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is Greater than 1. 0.5. near to 1. 0.25. Greater than 1. 0.5. near to 1. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Adding resistance to field circuit. Reversing supply connection. Interchanging armature and field connection. Reversing armature connection or field connection. Adding resistance to field circuit. Reversing supply connection. Interchanging armature and field connection. Reversing armature connection or field connection. ANSWER DOWNLOAD EXAMIANS APP