Power Systems
With reference to hydrometer station, the graphical representation of the discharge as function of time is known as

 Load duration curve.
 Hectograph.
  Hydro-graph.
 Monograph.

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Power Systems
In order to have lower cost of power generaion

 The load factor and diversity factor should be high
 the load factor should be low but diversity factor should be high
 the load factor and diversity factor should be low
 the load factor should be high but diversity factor should be low

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