The self cleansing velocity required for coarse sand is __________
(a) 10cm/Sec
(b) 20cm/Sec
(c) 30cm/Sec
(d) 40cm/Sec
This question was addressed to me by my college professor while I was bunking the class.
I need to ask this question from Minimum and Maximum Velocity of Flow in section Hydraulic Design of Sewers of Environmental Engineering