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(b) A chemical process produces salt via a neutralization of NaOH and HCl. The endothermic reaction requires cooling; this is achieved by a flow of cooling water through the reactor jacket. (i) Devise and describe a feedforward control loop to control the cooling water flow rate in the acidneutralization process. Identify the important components. [10] (ii) Name one potential disturbance that might be important to anticipate in the controller. [2] (iii) If you had to choose between a feedforward or feedback control system for this process, which would you choose? Explain. [3]