Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 50 Hz. 60 Hz. 16.67 Hz. 25 Hz. 50 Hz. 60 Hz. 16.67 Hz. 25 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor will deliver maximum power when load angle is 45°. input power factor is unity. load angle is 0°. load angle is equal to internal angle θ. load angle is 45°. input power factor is unity. load angle is 0°. load angle is equal to internal angle θ. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in induction motor. in both machines. synchronous motor. none of above. induction motor. in both machines. synchronous motor. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with DC shunt motor. Synchronous motor. Slip ring induction motor. Reluctance motor. DC shunt motor. Synchronous motor. Slip ring induction motor. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Slip. Running torque. Line voltage. Rotor current. Slip. Running torque. Line voltage. Rotor current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively large and thick less and thin large and thin less and thick large and thick less and thin large and thin less and thick ANSWER DOWNLOAD EXAMIANS APP