Electrical Machines
In double cage induction motor, the inner cage offers

  high resistance and high reactance.
  high resistance and low reactance.
  low resistance and high reactance.
  low resistance and low reactance.

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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?

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

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Electrical Machines
Two dc machines A and B, using the same conductor material, have armature circuit resistances of 0.4 Ω and 1.2 Ω respectively. Of the two machines,

 A is bigger than B for the same current rating
 A is bigger than B for the same voltage rating
 both are of the same size for the same current rating
 B is bigger than A for the same current rating

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