Electrical Machines A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf? 3 Hz. 10 Hz. 50 Hz. 2 Hz. 3 Hz. 10 Hz. 50 Hz. 2 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Semi closed slots. Open slots. Closed slots. None of above. Semi closed slots. Open slots. Closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a DC series motor is Proportional to the square of the armature current. Inversely proportional to the armature current. Proportional to field current. Proportional to the armature current. Proportional to the square of the armature current. Inversely proportional to the armature current. Proportional to field current. Proportional to the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. cant be determined. 266.20 N-m. 234.76 N-m. 133.22 N-m cant be determined. 266.20 N-m. 234.76 N-m. 133.22 N-m ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Split phase IM. Synchronous motors. Shaded pole IM. Cage induction motor. Split phase IM. Synchronous motors. Shaded pole IM. Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in steel core in transformer. winding of transformer. transformer insulating oil. iron made tank of transformer. steel core in transformer. winding of transformer. transformer insulating oil. iron made tank of transformer. ANSWER DOWNLOAD EXAMIANS APP