Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to a DC source. to an AC source. in reverse. to earth. to a DC source. to an AC source. in reverse. to earth. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principal of starting of 3 - Φ IM is similar to synchronous motor. capacitor run IM. transformer with short-circuited secondary. repulsion motor type starting. synchronous motor. capacitor run IM. transformer with short-circuited secondary. repulsion motor type starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Reluctance motor. Slip ring induction motor. Universal motor. Synchronous motors. Reluctance motor. Slip ring induction motor. Universal motor. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides higher efficiency. reduced starting torque. a large starting torque. low noise. higher efficiency. reduced starting torque. a large starting torque. low noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc shunt with armature resistance control. dc compound motor. dc shunt motor with field weakening. dc series motor. dc shunt with armature resistance control. dc compound motor. dc shunt motor with field weakening. dc series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an synchronous motor. induction generator. induction motor. synchronous generator. synchronous motor. induction generator. induction motor. synchronous generator. ANSWER DOWNLOAD EXAMIANS APP