Question: 1. Consider the heat exchanger represented by the figure below: where: w = liquid flow rate ws = steam flow rate T1 = Inlet liquid

1. Consider the heat exchanger represented by the figure below:

1. Consider the heat exchanger represented by the figure below: where: w

where:

w = liquid flow rate

ws = steam flow rate

T1 = Inlet liquid temperature

T2 = Outlet liquid temperature

(a). Identify the control objectives of the heat exchanger. Also identify the manipulated variables and the disturbances.

(b). Construct a feedback control mechanism for the above heat exchanger.

(c). Construct a feedforward control mechanism for the above heat exchanger.

(d). List 2 advantages and 2 disadvantages of both feedback and feedforward mechanism.

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