Question #2 (30 marks) Consider the pressure tank below in which mi(t) is the energy to run the pump. A control valve is installed on the outflow stream. fi(t) mi(t) /Setpoint Pset PT HHH PC mo(t) f(t) P(t) p(t) a) What type of control loop is installed in this process? b) What is the role of the controller in this process? b) Draw the block diagram of the control loop (5 marks) (5 marks) (12 marks) d) Identify (name) properly all the process variables and place them in the block diagram. (4 marks) e) How do you calculate the flow fo(t) knowing p(t) and pi(t)? (4 marks)