Power Systems
The factor affecting run off are

  all of above.
 amount of vegetation and weather condition in the catchment area.
 the topography and nature of soil in the catchment area.
 rain fall pattern, shape and size of catchment area.

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Power Systems
ACSR means

 Aluminium core steel reinforced
 Aluminium conductor steel reinforced
 all conductor steel reinforced
 Aluminium copper steel reinforced

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