Electrical Machines
An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of

 48.5Hz
 51.5Hz
 2.5Hz
 1.5Hz

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Electrical Machines
In a step down transformer which one of the following statements is true?

 Secondary power is less than primary power.
  Number of secondary turns is less than primary turns.
 Secondary current is less than primary current.
 Number of secondary turns is more than that of primary.

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Electrical Machines
Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW

 66.67 MW and 33.33 MW respectively
 50 MW and 50 MW respectively
 any of the above
 33.33 MW and 66.67 MW respectively

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