Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve high efficiency. low starting torque. quick acceleration. reduced size. high efficiency. low starting torque. quick acceleration. reduced size. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Shaded pole Resistance split phase Capacitor run Capacitor start Shaded pole Resistance split phase Capacitor run Capacitor start ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. cage. none of these. wound. linear. cage. none of these. wound. linear. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque electromechanical energy conversion commutation generation of voltage development of torque electromechanical energy conversion commutation generation of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be 3.2% and -1.6% 4.8% and -3.2% None of these 6% and -4% 3.2% and -1.6% 4.8% and -3.2% None of these 6% and -4% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. lie under north pole. lie in the inter polar gaps. lie under south pole. there is no hard and fast rule for this. lie under north pole. ANSWER DOWNLOAD EXAMIANS APP
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