• • • Write the energy balance equation for a steady and incompressible flow moving through a control volume that contains one inlet, one outlet, one fan, and a long amount of piping between the inlet and the outlet. (Note that the fan exists somewhere between the inlet and the outlet.) State which form of the energy balance equation you have written (i.e., the energy per unit mass form, the pressure form, or the head form).

      
      

    
     
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