Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant torque. speed. power. current. torque. speed. power. current. 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° 10° 60° 30° 45° 10° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? half wave controlled half wave full wave full wave controlled half wave controlled half wave full wave full wave controlled ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? squirrel cage induction motor slip ring induction motor either of these None of these squirrel cage induction motor slip ring induction motor either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will not changed decrease increase None of these not changed decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be more than 10% be less than 10% be 12.5% remain unchanged be more than 10% be less than 10% be 12.5% remain unchanged ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS