Electrical Machines Hysteresis loss will depends on f1.6 f² f f³ f1.6 f² f f³ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 16.67 Hz. 25 Hz. 60 Hz. 50 Hz. 16.67 Hz. 25 Hz. 60 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In V/f speed control of 3-phase induction motor, with increase in frequency, the slip at which maximum torque occurs either of these. increase. decrease. None of these either of these. increase. decrease. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Auxiliary winding. Commutating pole winding. Both Compensating and Commutating pole winding. Compensating winding. Auxiliary winding. Commutating pole winding. Both Compensating and Commutating pole winding. Compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on Z. P. none of these. P and Z. Z. P. none of these. P and Z. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under trailing pole tips in case of generator will increase None of these decrease either increase or decrease increase None of these decrease either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
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