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 Two single-phase alternators operating in parallel have induced EMFs on open circuit of 230∠0° and 230∠10° volts and respective reactance of j2 Ω j3 Ω calculate the terminal voltage 150 V. 223.V. 300 V. 200 V. 150 V. 223.V. 300 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 11.5 A. 23 A. 13.5 A. 27 A. 11.5 A. 23 A. 13.5 A. 27 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. speed. magnetizing current. power factor. air gap flux. speed. magnetizing current. power factor. air gap flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following are variable losses? eddy current loss hysteresis loss shunt field copper loss armature copper loss eddy current loss hysteresis loss shunt field copper loss armature copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of slip ring induction motor. stepper motor. squirrel cage induction motor. hysteresis motor. slip ring induction motor. stepper motor. squirrel cage induction motor. hysteresis motor. ANSWER DOWNLOAD EXAMIANS APP
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