Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Yoke. Commutator. Brush. Armature. Yoke. Commutator. Brush. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Where the shunt generators are widely used? Where the load is very high. Where voltage variation is needed over a wide load range. Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. Where the load is very high. Where voltage variation is needed over a wide load range. Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by providing damper winding in the rotor pole faces. using a flywheel. any of above methods. designing the motor for adequate synchronizing power. providing damper winding in the rotor pole faces. using a flywheel. any of above methods. designing the motor for adequate synchronizing power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? Lap winding None of above Both lap and wave winding Wave winding Lap winding None of above Both lap and wave winding Wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? -3.33% +3.33% -3% +3% -3.33% +3.33% -3% +3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be pulsating and unidirectional None of these oscillating steady and unidirectional pulsating and unidirectional None of these oscillating steady and unidirectional ANSWER DOWNLOAD EXAMIANS APP
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