The per cent of total solids in most domestic sewage is approximately
A.0.01
B.0.1
C.1
D.10
Category: Chemical Environmental Engineering Mcqs
The chemical most commonly used to speed sedimentation of sewage is
A.sulphuric acid
B.copper sulphate
C.lime
D.sodium ermanganate
The quantity of chlorine in ppm required to satisfactorily chlorinate sewage is usually
A.125-150
B.95-120
C.60-90
D.0-25
For any particular dust concentration in the feed stream to a fabric filter increasing the gas-to-fabric ratio will
A.result in an increased pressure drop
B.result in decreased pressure drop
C.not affect the pressure drop
