Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 625 W 650 W 700 W 600 W 625 W 650 W 700 W 600 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 24 10 5 12 24 10 5 12 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Shunt Motor having shunt field resistance of 250 Ω and armature resistance of 0.5 Ω is connected to 250 V supply and load current of 21 A. What is the back emf generated ? 230 V. 240 V. 150 V. 210 V 230 V. 240 V. 150 V. 210 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? 1500 rpm zero 30 rpm 1470 rpm 1500 rpm zero 30 rpm 1470 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is 90o. 180o. dependent upon the load. 0o. 90o. 180o. dependent upon the load. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Hysteresis loss Magnetic loss Eddy current loss Copper loss Hysteresis loss Magnetic loss Eddy current loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
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