Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is zero All of these maximum minimum zero All of these maximum minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the actual arrangement of series wound generator? Armature winding is in series with load. Armature and field both are connected. Armature and field both are parallel. Armature and field both are in series with the load. Armature winding is in series with load. Armature and field both are connected. Armature and field both are parallel. Armature and field both are in series with the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor None of these will remain the same will become leading will become lagging None of these will remain the same will become leading will become lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Both A and B. None of these Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these Compensating winding will act under the pole. Inter pole winding will act in interpolar region. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because none of above. air friction will prevent it. rotor torque will not be produced. induction motor will become synchronous motor. none of above. air friction will prevent it. rotor torque will not be produced. induction motor will become synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? half wave full wave controlled half wave controlled full wave half wave full wave controlled half wave controlled full wave ANSWER DOWNLOAD EXAMIANS APP