Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

 generator 2 gets over load
 generator 1 gets over load
 200 MW and 400MW
None of these

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Electrical Machines
In DC machines, the interpoles are provided

  both (B) and (C).
 to counteract the reactance voltage and the cross-magnetizi
  to make commutation spark less.
 to counteract demagnetizing effect of armature mmf in commutating zone.

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Electrical Machines
Cogging and crawling are phenomena associated with

 any of the above.
 the former at a fraction of its rate speed and the latter during starting.
 cage induction machines and they are essentially the same.
 the former during starting and the latter at a fraction of its rated speed.

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