In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is____________________? August 15, 2021January 22, 2019 by admin In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is____________________? A. Q/(B × D) B. Q/(L × D) C. Q/LD. Q/(B × L)