Question: = a) A process is to be controlled using a Pl controller where the proportional gain is 2 and 2 the integral time is 4

= a) A process is to be controlled using a Pl

= a) A process is to be controlled using a Pl controller where the proportional gain is 2 and 2 the integral time is 4 min. If Gp determine the dynamic behaviour for (45+1)(s+1)' setpoint change. What should be the range for proportional gain to ensure the stability of the system? (15 marks) b) Figure 4 shows a P&ID for polymerization process. Explain the control system action if the feed flow rate is too high. (Temperature inside the reactor: 300C) (5 marks) [20 marks)]

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