Q5. P&ID diagram for the boiler drum system used by PrefChem Co. Ltd is as shown in figure below. Based on figure below: (a) Determine the type of control structure applied by PrefChem Co. Ltd for controlling the liquid level inside the boiler drum. (b) Construct the complete block diagram of the system. Level Set-point Note: C1=Controller 1 C2=Controller 2 LT=Level Transmitter FT=Flow Transmitter Steam Flow (Disturbances) Boiler Feed water- Drum Hot gas

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