Electrical Machines
The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip

  3.33 %.
 3 %.
None of these
 0 .001 %.

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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?

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

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Electrical Machines
In a DC machine

 current and emf in armature are alternating.
 current and emf at the terminals are alternating.
 current and emf in armature are unidirectional
 emf in armature conductors and at the terminals is alternating.

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