Electrical Machines The power flow of a dc motor, with respect to a DC generator is none of these. modified. increased. reversed. none of these. modified. increased. reversed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Field control. Multiple voltage control. Ward-Leonard control. Armature control. Field control. Multiple voltage control. Ward-Leonard control. Armature control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Low short circuit current High voltage regulation None of these Good voltage regulation Low short circuit current High voltage regulation None of these Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ? PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4SP² PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4SP² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? half load no load any of the above full load half load no load any of the above full load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Rotational loss Stator copper loss Stator core loss All of these Rotational loss Stator copper loss Stator core loss All of these ANSWER DOWNLOAD EXAMIANS APP