Electrical Machines Which of the following induction motor has maximum speed? 8 pole. 6 pole. 4 pole. 2 pole. 8 pole. 6 pole. 4 pole. 2 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it makes the material brittle. increases hysteresis loss. Increases cost. All of these makes the material brittle. increases hysteresis loss. Increases cost. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. efficiency. starting torque. running torque. speed regulation. efficiency. starting torque. running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf of a DC machine has triangular space distribution and rotates at the speed of armature. triangular space distribution and is stationary in space. trapezoidal space distribution and is stationary in space. stepped distribution and rotates at the speed of armature. triangular space distribution and rotates at the speed of armature. triangular space distribution and is stationary in space. trapezoidal space distribution and is stationary in space. stepped distribution and rotates at the speed of armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip 3.33 %. 0 .001 %. 3 %. None of these 3.33 %. 0 .001 %. 3 %. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.62. 0.25. 1.24. 0.72. 0.62. 0.25. 1.24. 0.72. ANSWER DOWNLOAD EXAMIANS APP
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