Electrical Machines Dynamic braking can be used for series motors. All of these shunt motors. compound motors. series motors. All of these shunt motors. compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for electromechanical energy conversion. development of torque. generation of voltage. commutation. electromechanical energy conversion. development of torque. generation of voltage. commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss remains constant. increase. None of these decrease. remains constant. increase. None of these decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by using a flywheel. designing the motor for adequate synchronizing power. providing damper winding in the rotor pole faces. any of above methods. using a flywheel. designing the motor for adequate synchronizing power. providing damper winding in the rotor pole faces. any of above methods. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of non-ferrous material. insulating material. conducting material. silicon steel. non-ferrous material. insulating material. conducting material. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Increase in weight/KVA. Decrease in weight/KVA. Reduced iron loss. Reduced copper loss. Increase in weight/KVA. Decrease in weight/KVA. Reduced iron loss. Reduced copper loss. ANSWER DOWNLOAD EXAMIANS APP
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