Dough preparation is a semi-batch operation where ingredients are fed to the\ mixer, and then the feed flow rates are stopped while mixing is completed. The fully\ mixed dough is then removed through the drain valve. Based on the equipment schematic\ with the possible inlet and outlet lines, assume that it is a flow process and write an\ unsteady-state model describing the tank in terms of all system variables and\ parameters, without substituting in parameter values.\ Wet Ingredients Dry Ingredients\ Optional Feed Line\ Practice Problem 1