Power Systems
A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is

 10
 16
 6
 2

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Power Systems
The modern trend in electric power generation

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

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