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The figure below shows important parameters in any plastic extrusion operation (screw-die curves), Q-flow rate, dp-pressure change, briefly Explain the following questions: (5 points) a

The figure below shows important parameters in any plastic extrusion operation (screw-die curves), Q-flow rate, dp-pressure change, briefly Explain the following questions: (5 points)

a What are the S and D curves, their differences, and operating points 1 and 2, what is the value of pressure and flow rate at operating points?

b What are the maximum, minimum of pressure, and flow rate for no Slip and Slip conditions (Die and Screw)?

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