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 700 W 600 W 650 W 625 W 700 W 600 W 650 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is 1.9 ohms. 5.7 ohms. 2.2 ohms. 6 ohms. 1.9 ohms. 5.7 ohms. 2.2 ohms. 6 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor cannot be started on no load? cumulative compound motors both B and C shunt motors series motors cumulative compound motors both B and C shunt motors series motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as the ratio of Vmax to Imin Vmax to Imax Vmin to Imax Vmin to Imin Vmax to Imin Vmax to Imax Vmin to Imax Vmin to Imin ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole stacking All of these compensating winding pole chamfering pole stacking All of these compensating winding pole chamfering ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 460 A. 570 A. 250 A. 340 A. 460 A. 570 A. 250 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
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