Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? unshaded, shaded shaded, unshaded unshaded, unshaded shaded, shaded unshaded, shaded shaded, unshaded unshaded, unshaded shaded, shaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided to make commutation spark less. to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to make commutation spark less. to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer oil is used as inert medium. a coolant. an insulator. both A and B. inert medium. a coolant. an insulator. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor has which of the following characteristics? Has a poor torque. Has its field winding consinting of thick wire and less no of turns. Can be started easily without load. Has a almost constant speed. Has a poor torque. Has its field winding consinting of thick wire and less no of turns. Can be started easily without load. Has a almost constant speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of dynamically and statically induced emf. dynamically induced emf. statically induced emf. None of these dynamically and statically induced emf. dynamically induced emf. statically induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.25. 0.72. 1.24. 0.62. 0.25. 0.72. 1.24. 0.62. ANSWER DOWNLOAD EXAMIANS APP
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