A. Imhoff tanks
B. Trickling filters
C. Sludge sedimentation tanks
D. None of these
A. 1 in 60
B. 1 in 100
C. 1 in 120
D. None of these
A. Raising low lying areas by dumg
B. Concreting
C. Both A. and B.
D. Neither A. nor B
The grit and silt of the grit chambers, may not be used for_________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Total organic solids
B. Total solids
C. Total in organic solids
D. Settleable solids
Imhoff cone is used to measure________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. When sewage is fresh
B. When diluting water has high dissolved oxygen content
C. When diluting water is used for water supply near the point of sewage disposed
D. When the diluting water is having flow currents
Dilution method of disposing of sewage, is not preferred to_______________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 1 in 100 upward
B. 1 in 500 upward
C. 1 in 100 downward
D. 1 in 503 upward
A. H2SO4
B. HNO3
C. HCl
D. None of these
A. More than the self-cleansing velocity
B. Less than the self-cleansing velocity
C. Less than 10 m/sec
D. More than 20 m/sec
In sewers the velocity of flow should not be_________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Top side
B. Bottom side
C. Horizontal side
D. All sides
In sewers the effect of scouring is more on__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Distances 150 m to 300 m
B. Upper ends of branch sewers
C. Every change in the size of sewers
D. All the above
Sewer ventilating columns are generally placed at_______________? Read More »
Civil Engineering Mcqs, Waste Water Engineering