Electrical Machines In a DC machine, the angle between the stator and rotor fields is 180o. 90o. dependent upon the load. 0o. 180o. 90o. dependent upon the load. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on rotating magnetic field. either of these. stationary magnetic field. None of these rotating magnetic field. either of these. stationary magnetic field. 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 0.72. 0.25. 0.62. 1.24. 0.72. 0.25. 0.62. 1.24. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Satisfactory commutation of DC machine requires brushes should smoothly run in the holders. smooth, concentric commutator properly undercut. brushes should be of proper grade and size. All of these brushes should smoothly run in the holders. smooth, concentric commutator properly undercut. brushes should be of proper grade and size. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately hyperbola parabola any of the above linearised hyperbola parabola any of the above linearised ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Line voltage. Running torque. Slip. Rotor current. Line voltage. Running torque. Slip. Rotor current. ANSWER DOWNLOAD EXAMIANS APP
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