Civil Engineering - CE

Question of the Day
GATE 2008   CE   Question No. 60

A water treatment plant is required to process 28800 m3/d of raw water (density = 1000 kg/m3, kinematic viscosity = 10-6m2/s). The rapid mixing tank imparts a velocity gradient of 900 s-1 to blend 35mg/l of alum with the flow for a detention time of 2 minutes. The power input (W) required for rapid mixing is

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