Agricultural Engineering > GATE 2021 > Mixing
Rushton turbine having an impeller diameter of 20 cm and operating at a stirrer speed of 200 rpm is used in a mixing tank. If the tank receives air at a volumetric flow rate of 0.2 m³ min⁻¹, the non-dimensional Froude Number, NFr is [round off to 2 decimal places]
Correct : 0.25
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