Electrical Machines In a resistance split phase motor, what is the range of torque angle? 70° to 85° 90° 0° 25° to 30° 70° to 85° 90° 0° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will start haunting. run at very low speed. burn. run at very high speed. start haunting. run at very low speed. burn. run at very high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous machine has P number of poles, find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm)? ωe = P/2*ωm ωe = P*ωm ωe = 2/P*ωm ωe = ωm ωe = P/2*ωm ωe = P*ωm ωe = 2/P*ωm ωe = ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating magnetic field is produced in an induction motor because of rotor winding. None of these either stator winding or rotor winding. stator winding. rotor winding. None of these either stator winding or rotor winding. stator winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Reversing armature connection or field connection. Reversing supply connection. Adding resistance to field circuit. Interchanging armature and field connection. Reversing armature connection or field connection. Reversing supply connection. Adding resistance to field circuit. Interchanging armature and field connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? low current and high voltage low current and low voltage high current and high voltage high current and low voltage low current and high voltage low current and low voltage high current and high voltage high current and low voltage ANSWER DOWNLOAD EXAMIANS APP
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