Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 30° 36° 72° 18° 30° 36° 72° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the generator field terminal. motor field terminal. generator armature terminal. motor armature terminal. generator field terminal. motor field terminal. generator armature terminal. motor armature terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following transformer insulating oil generally used in India? Paraffin based insulating oil. Olefin based insulating oil. Naphtha based insulating oil. Aromatics based insulating oil. Paraffin based insulating oil. Olefin based insulating oil. Naphtha based insulating oil. Aromatics based insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the hysteresis loss. to reduce the mass. to reduce the inductor. to reduce the eddy current loss. to reduce the hysteresis loss. to reduce the mass. to reduce the inductor. to reduce the eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The effect of ------------------ on main field flux is armature reaction? All of these armature mmf armature flux armature current All of these armature mmf armature flux armature current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slot edges in a DC machine are made of Cast iron. Fibre. Silicon steel. Mild steel. Cast iron. Fibre. Silicon steel. Mild steel. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS