Electrical Machines
As compared to DOL starting, a cage induction motor with star-delta starting shall have

 more starting time.
 smoother acceleration.
 more starting torque.
 reduced starting current.

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Electrical Machines
Consider the following statements : Interpoles in dc machines 1. reducearmature reaction effects in the interpolar region 2. have the same dimension as main polls 3. have their windings connected in series with the armature 4. have same number of turns as the armature 5. have the polarity same as that of the main pole ahead in a motor From these, the correct statements are

 1, 2, 3 and 5
 1 and 3
 1, 2 and 3
 1, 3 and 5

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