Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 5 / 6. 2 / 3. 6 / 7. 4 / 5. 5 / 6. 2 / 3. 6 / 7. 4 / 5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator beyond critical resistance will generate maximum voltage. maximum current. no voltage. maximum power. maximum voltage. maximum current. no voltage. maximum power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying resistance of armature culture. applied voltage. its flux oer pole. all of these. resistance of armature culture. applied voltage. its flux oer pole. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 volt dc series motor having an armature resistance of 0.2 Ω takes a load current of 60 A. What will be the torque produced at the shaft of the motor? Consider brush drop of 1V. can not be determined. 266.20 N-m. 133.22 N-m 234.76 N-m. can not be determined. 266.20 N-m. 133.22 N-m 234.76 N-m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is not possible some what less than 230 V some what more than 230 V 230 V not possible some what less than 230 V some what more than 230 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? 1-phase induction motor None of these 3-phase induction motor both 1 and 2 1-phase induction motor None of these 3-phase induction motor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS