Electrical Machines In a resistance split phase motor, what is the range of torque angle? 25° to 30° 90° 70° to 85° 0° 25° to 30° 90° 70° to 85° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The introduction of interpoles in between the main poles improves the performance of a dc machine, because the interpoles produce additional flux to augment the developed torque the flux waveform is improved with reduction in harmonics a counter-emf is induced in the coil undergoing commutation the inequality of air-gap flux on the top and bottom halves of the armature is removed the interpoles produce additional flux to augment the developed torque the flux waveform is improved with reduction in harmonics a counter-emf is induced in the coil undergoing commutation the inequality of air-gap flux on the top and bottom halves of the armature is removed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of transformer oil. condition of transformer. condition of bushings. condition of bushing stud. condition of transformer oil. condition of transformer. condition of bushings. condition of bushing stud. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? both A and B None of these K × input power (1-K) × input power both A and B None of these K × input power (1-K) × input power ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of mutual induction. electromagnetic induction. self induction. self or mutual induction. mutual induction. electromagnetic induction. self induction. self or mutual induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly zig - zag star connected. star connected. zig - zag delta connected. delta connected. zig - zag star connected. star connected. zig - zag delta connected. delta connected. ANSWER DOWNLOAD EXAMIANS APP