Electrical Machines Larger values of air flux density is taken while designing IM for larger output. both. larger bore diameter. none. larger output. both. larger bore diameter. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Auto transformer starting. Stator resistance starting. Rotor resistance starting. Direct online starting. Auto transformer starting. Stator resistance starting. Rotor resistance starting. Direct online starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will decrease not changed increase None of these decrease not changed increase None of these 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 non-sinusoidal nature of armature mmf magnetic saturation in half of the field pole component of armature mmf along field axis uneven air-gap length non-sinusoidal nature of armature mmf magnetic saturation in half of the field pole 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 None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake None of these both 1 and 2 reversing drive non reversing drive None of these both 1 and 2 reversing drive non reversing drive ANSWER DOWNLOAD EXAMIANS APP
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