Civil Engineering Quizzes Waste Water Engineering

Question:
A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is

Option A):
0.30 m/sec
Option B):
0.40 m/sec
Option C):
0.45 m/sec
Option D):
0.35 m/sec

Correct Answer is Option C):
0.45 m/sec