Power Systems
A thermal protection switch is used to provide protection against

 over voltage.
  overload.
 temperature.
 short circuit.

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Power Systems
A thermal power station needs space

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

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