Electrical Machines Generator works on the principle of production both A and B. static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To achieve spark less commutation brushes of DC generator are rocked ahead so as to bring them just ahead of magnetic neutral axis. None of these just behind the magnetic neutral axis. in magnetic neutral axis. just ahead of magnetic neutral axis. None of these just behind the magnetic neutral axis. in magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be steady and unidirectional pulsating and unidirectional None of these oscillating steady and unidirectional pulsating and unidirectional None of these oscillating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to component of armature mmf along field axis uneven air-gap length magnetic saturation in half of the field pole non-sinusoidal nature of armature mmf component of armature mmf along field axis uneven air-gap length magnetic saturation in half of the field pole non-sinusoidal nature of armature mmf ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Cumulatively compound motor. Differently compared motor. Shunt motor. Series motor. Cumulatively compound motor. Differently compared motor. Shunt motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
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