Question: A cereal dough is being extruded in a single - screw extruder with the following dimensions, screw length 2 5 cm , channel height 0

A cereal dough is being extruded in a single-screw extruder with the following dimensions, screw length 25 cm, channel height 0.5 cm, and channel width 3 cm. The apparent viscosity of the dough is 1700 Pa s. The density is 1200 kg/m3. The wall velocity is estimated to be 0.3 m/s. If a mass flow rate of 108 kg/hr is desired, calculate the pressure drop.

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