Electrical Machines
If the number of rotor slots is equal to number of stator slots, then motor refuses to start. Hence it is known as

  crawling.
  cogging.
  relative speed.
  air gap.

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Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% 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?

 200 MW and 400MW respectively
 generator 1 gets over load
 230.7 MW and 369.23 MW respectively
 generator 2 gets over load

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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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