- Describe a feedback control process for heat exchanger control, given in the figure below. 2- What is the type of the control system (open, closed)? 3 3- Identify the input, output variables, controller and measurement devices. 4- Draw a block diagram describes the learning process. (Label each block)

SP Set point Steam Valve stem TC Temperature controller Control valve T(t) TT) Temperature transmitter T() Heated stream Process stream Condensate