Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected in parallel either of these depending on the design of the motor through inductive coupling in series in parallel either of these depending on the design of the motor through inductive coupling in series ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 10 Ω 0.1 Ω 50 Ω 100 Ω 10 Ω 0.1 Ω 50 Ω 100 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC generator, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will deteriorate with rise in terminal voltage. deteriorate with fall of terminal voltage. improve with rise in terminal voltage. improve with fall of terminal voltage. deteriorate with rise in terminal voltage. deteriorate with fall of terminal voltage. improve with rise in terminal voltage. improve with fall of terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Semi closed slots or totally closed slots are used in induction motors, essentially to increase pull out torque decrease starting torque improve starting torque reduce magnetising current and improve power factor increase pull out torque decrease starting torque improve starting torque reduce magnetising current and improve power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature reaction mmf in a DC machines has a form of triangular. sinusoidal. rectangular. trapezoidal. triangular. sinusoidal. rectangular. trapezoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to control field current. limit the armature current. vary the armature resistance. none of above. control field current. limit the armature current. vary the armature resistance. none of above. ANSWER DOWNLOAD EXAMIANS APP
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