Power Systems
For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant

 None of above.
 Pelton.
  Kaplan.
 Francis.

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Power Systems
A thermal power station needs space

  less than that required by hydro-power station of same capacity.
 less than that required by the diesel power station of same output.
 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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