

GATE Exam Questions - Engineering
Q1: For a flow of 5.7 MLD (million litres per day) and a detention time of 2 hours, the surface area of a rectangular sedimentation tank to remove all particles having settling velocity of 0.33 mm/s isA
20 m2
B
100 m2
C
200 m2
D
400 m2
ANS:C - 200 m2 Settling velocity = .00033 m/sec. |


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