Electrical Machines
Which of the DC Motor use flywheel?

 Differently compared motor.
 Shunt motor.
 Cumulatively compound motor.
 Series motor.

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Electrical Machines
A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine

 armature winding has thin leads whereas field winding has thick leads
 both the windings have thin leads
 both the windings have thick leads
 armature winding has thick leads whereas field winding has thin leads

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Electrical Machines
The introduction of interpoles in between the main poles improves the performance of a dc machine, because

 the interpoles produce additional flux to augment the developed torque
 the flux waveform is improved with reduction in harmonics
 a counter-emf is induced in the coil undergoing commutation
 the inequality of air-gap flux on the top and bottom halves of the armature is removed

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