Electrical Machines In single phase rotary converter the number of slip rings will be four. two. six. three. four. two. six. three. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? either of these exactly opposite same None of these either of these exactly opposite same None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip speed is the sum of synchronous and rotor speeds. difference of actual rotor speed and synchronous speed. difference of synchronous speed and actual rotor speed. half of the sum of synchronous and rotor speeds. sum of synchronous and rotor speeds. difference of actual rotor speed and synchronous speed. difference of synchronous speed and actual rotor speed. half of the sum of synchronous and rotor speeds. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is employed in DC machine of high current and low voltage rating. high current and low voltage rating. low current and low voltage rating. low current and high voltage rating. high current and low voltage rating. high current and low voltage rating. low current and low voltage rating. low current and high voltage rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor, the damper winding is generally used to reduce noise level only. prevent hunting and provide the starting torque. reduce the eddy currents. provide starting torque only. reduce noise level only. prevent hunting and provide the starting torque. reduce the eddy currents. provide starting torque only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? armature current (I) speed both A and B flux (φ) armature current (I) speed both A and B flux (φ) ANSWER DOWNLOAD EXAMIANS APP