QUESTION $2$

a$)$ Process control systems make sure industrial processes are carried out efficiently, consistently and with as little variation as possible. They are installed in industrial settings to help maintain throughput, quality, yield and energy efficiency and make sure working practices are carried out safely and profitably. In your own words, explain FIVE $(5)$ importance of control to the chemical plant.

$[10$ Marks$]$

b$)$

Figure $1$: Process control for tank $911$

Based on the Figure $1$ above, name the component for A$,$ B and C and explain the objectives of their installation.

$[6$ Marks$]$

c$)$ Explain FOUR $(4)$ methods that needs to be applied for the selection of the safe process$/$equipment

$[4$ Marks$]$