Power Systems
Gas turbine power plants for maximum efficient may have

 Multistage compression.
  All of above.
 Reheating.
 Heat exchangers.

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Power Systems
The modern trend in electric power generation

 to have large size thermal plant located near coal fields.
  none of above.
 to have large size thermal plants near load centre.
 to have large number of small size thermal plants located at different places.

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