Electrical Machines A commutator in dc machine provide ----------------- rectification? full wave half wave controlled full wave controlled half wave full wave half wave controlled full wave controlled half wave ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor when started on no load does not accelerate up to full speed but runs at 1/7th of the rated speed. The motor is said to be plugging. cogging. crawling. locking. plugging. cogging. crawling. locking. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Open slots. Closed slots. Semi closed slots. None of above. Open slots. Closed slots. Semi closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately parabola hyperbola linearised any of the above parabola hyperbola linearised any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in iron made tank of transformer. transformer insulating oil. winding of transformer. steel core in transformer. iron made tank of transformer. transformer insulating oil. winding of transformer. steel core in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce armature heating. Reduce starting torque. Increase speed Increase acceleration duration. Reduce armature heating. Reduce starting torque. Increase speed Increase acceleration duration. ANSWER DOWNLOAD EXAMIANS APP