Electrical Machines Which of the following voltage regulation method is accurate ? Synchronous impedance method ZPF method American standard association method MMf method Synchronous impedance method ZPF method American standard association method MMf method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Hysteresis loss. Copper loss. Stray loss. Eddy current loss. Hysteresis loss. Copper loss. Stray loss. Eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake None of these both 1 and 2 non reversing drive reversing drive None of these both 1 and 2 non reversing drive reversing drive ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the mass. to reduce the eddy current loss. to reduce the inductor. to reduce the hysteresis loss. to reduce the mass. to reduce the eddy current loss. to reduce the inductor. to reduce the hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have more starting time. smoother acceleration. reduced starting current. more starting torque. more starting time. smoother acceleration. reduced starting current. more starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Current in a coil undergoing commutation is not able to get reversed completely by the end of commutation period. It is due to coil resistance. None of these armature emf. reactance voltage induced in the coil. coil resistance. None of these armature emf. reactance voltage induced in the coil. ANSWER DOWNLOAD EXAMIANS APP
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