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

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

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Power Systems
In boiler water reactor (BWR)

 there is danger of radioactive contamination of steam.
  all of above.
 the feed water acts both coolant and a moderator.
 enriched uranium is used as fuel.

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