The extruder in Problem 10.88 has a pumping section that is 2.5 m long and is used

Question:

The extruder in Problem 10.88 has a pumping section that is 2.5 m long and is used to extrude round polyethylene solid rod. The die has a land of 1 mm and a diameter of 5 mm. If the polyethylene is at a mean temperature of 250°C, what is the flow rate through the die? What is the flow rate for a die diameter of 10 mm?