Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is cumulatively compounded. series connected. deferentially compounded. shunt connected. cumulatively compounded. series connected. deferentially compounded. shunt connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? half wave controlled full wave controlled full wave half wave half wave controlled full wave controlled full wave half wave ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is √(Pi/Pc) (Pi/Pc)2 Pc/Pi Pi/Pc √(Pi/Pc) (Pi/Pc)2 Pc/Pi Pi/Pc ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Normal. Very high. Zero. Very low. Normal. Very high. Zero. Very low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Differntical compound. Shunt. Cummulative compound. Series. Differntical compound. Shunt. Cummulative compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 45° 60° 30° 10° 45° 60° 30° 10° ANSWER DOWNLOAD EXAMIANS APP