Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor None of these remains same. increases. decreases. None of these remains same. increases. decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by All of these interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. reversing the terminals of main winding. All of these interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. reversing the terminals of main winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor none of them. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. power factor at starting is low as compared to that while running. none of them. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. power factor at starting is low as compared to that while running. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The effect of ------------------ on main field flux is armature reaction? armature mmf armature flux armature current All of these armature mmf armature flux armature current All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? stationary rotates opposite direction None of these rotates same direction stationary rotates opposite direction None of these rotates same direction ANSWER DOWNLOAD EXAMIANS APP
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