Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 25 Hz 100 Hz 50 Hz 0 Hz 25 Hz 100 Hz 50 Hz 0 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Differently compounded. Series. Cummulative compound. Shunt. Differently compounded. Series. Cummulative compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with armature parallel with main poles series with main poles series with armature parallel with armature parallel with main poles series with main poles series with armature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Cage induction motor. Split phase IM. Synchronous motors. Shaded pole IM. Cage induction motor. Split phase IM. Synchronous motors. Shaded pole IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve the power factor reduce hunting All of these improve starting torque improve the power factor reduce hunting All of these improve starting torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Four times. Doubled. Eight times. Remains same. Four times. Doubled. Eight times. Remains same. ANSWER DOWNLOAD EXAMIANS APP