Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 36° 18° 72° 30° 36° 18° 72° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5 Ω and back emf of 200 V is 40 A. 440 A. 400 A. 44 A. 40 A. 440 A. 400 A. 44 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately-excited dc motor has an armature resistance of 0.5 Ω. It runs off a 250 V dc supply Drawing an armature current of 20 A at 1500 rpm. The torque developed for an armature current Of 10 A, for the same field current, will be 16.55 Nm 15.6 Nm 15.92 Nm 15.28 Nm 16.55 Nm 15.6 Nm 15.92 Nm 15.28 Nm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for All of this. Blowers and fans. Lathes. Centrifugal pumps All of this. Blowers and fans. Lathes. Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ratio of starting torque to full load torque is minimum in Shunt motor. Differential compound motor. Series motor. Cumulative compound motor. Shunt motor. Differential compound motor. Series motor. Cumulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be more than core loss. less than core loss. equal to core loss. zero. more than core loss. less than core loss. equal to core loss. zero. ANSWER DOWNLOAD EXAMIANS APP