Power Systems
Area under the daily curve divided by 24 gives

 maximum demand
 average load
 maximum load
 units generated

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Power Systems
A thermal power station needs space

 less than that required by the diesel power station of same output.
  less than that required by hydro-power station of same capacity.
 less than that required by atomic power station of the same output.
 less than that required by a gas turbine power plant of same output.

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