Physics, 27.07.2021 14:00 liyahheadhigh
Q2: A calender having rolls of diameter 0.3 m produces plastic sheet 1 m wide at the rate of 2000 kg/hour. If the roll speed is 5 rev/minute and the nip between the rolls is 4.5 mm, estimate the position and magnitude of the maximum pressure. The density of the material is 1400 kg/m3 and its viscosity is 1.5 x 104 Ns/m 2 . (20 Marks)
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