Electrical Machines A compound motor has tertiary winding. both shunt and series field winding. only shunt field winding. only series field winding. tertiary winding. both shunt and series field winding. only shunt field winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC motor operating at rated speed, the speed of the motor will Reduce. Oscillate around the normal speed. Remain unaltered. Increase. Reduce. Oscillate around the normal speed. Remain unaltered. Increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Shunt Motor has disadvantage(s) of less expensive. not suitable for rapidly changing loads. none of above. constant speed. less expensive. not suitable for rapidly changing loads. none of above. constant speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. none of above both A and B shunt field armature circuit none of above both A and B shunt field armature circuit ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to 1/P² 1/P P² Power P 1/P² 1/P P² Power P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the cause of rapid brush wear may be rough commutator surface. imperfect contact. severe sparking. any of above. rough commutator surface. imperfect contact. severe sparking. any of above. ANSWER DOWNLOAD EXAMIANS APP