Electrical Machines Dynamic braking can be used for compound motors. shunt motors. series motors. All of these compound motors. shunt motors. series motors. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of emf with concentrated winding to emf with distributed winding. emf with distributed winding to emf with concentrated winding. None of these both 1 and 2. emf with concentrated winding to emf with distributed winding. emf with distributed winding to emf with concentrated winding. None of these both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 volt dc series motor having an armature resistance of 0.2 Ω takes a load current of 60 A. What will be the torque produced at the shaft of the motor? Consider brush drop of 1V. 266.20 N-m. 133.22 N-m 234.76 N-m. can not be determined. 266.20 N-m. 133.22 N-m 234.76 N-m. can not be determined. 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 fall of terminal voltage. improve with fall of terminal voltage. improve with rise in terminal voltage. deteriorate with rise in terminal voltage. deteriorate with fall of terminal voltage. improve with fall of terminal voltage. improve with rise in terminal voltage. deteriorate with rise in terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 90°. 30°. 120°. 60°. 90°. 30°. 120°. 60°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? PSC (permanent split capacitor) motor. Split phase motor. Shaded pole motor. None of these PSC (permanent split capacitor) motor. Split phase motor. Shaded pole motor. None of these ANSWER DOWNLOAD EXAMIANS APP
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