1444Civil EngineeringMedium
The effective size of sand particles used in slow sand filters is________?
A0.25 to 0.35 mm
B1.00 to 1.80 mm
C0.35 to 0.60 mm
D0.60 to 1.00 mm
Correct answer
A. 0.25 to 0.35 mm
Explanation
The correct answer is 0.25 to 0.35 mm.