Electrical Machines A DC generator without commutator is a DC generator induction motor AC generator DC motor DC generator induction motor AC generator DC motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is cumulatively compounded. shunt connected. differentially compounded. separately excited. cumulatively compounded. shunt connected. differentially compounded. separately excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. none of them. power factor at starting is low as compared to that while running. power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. none of them. power factor at starting is low as compared to that while running. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starting current of a 3 - Φ induction motor is 5 times the rated current, while rated slip is 4 %, then ratio of starting torque to full load torque is 0.4. 0.6. 1. 0.8. 0.4. 0.6. 1. 0.8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 27 A. 23 A. 13.5 A. 11.5 A. 27 A. 23 A. 13.5 A. 11.5 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS