A. The change of gradient
B. The change of direction
C. The junctions of sewers
D. All of these
Sewer manholes are generally provided at________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. In freshly produced sewage
B. At sewer pipes
C. In sewer treatment plants
D. None of these
Aerobic activity is maximum_______________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Screening
B. Sedimentation
C. Oxidation
D. All the above
A. 0.5 to 1.0 kg
B. 1 kg to 2.0 kg
C. 5 kg to 7.5 kg
D. 7.5 kg to 10 kg
In 1000 kg of sewage, the total solids approximate___________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 1 in 60
B. 1 in 100
C. 1 in 120
D. None of these
A. Hydrochloric acid
B. Sulphuric acid
C. Nitric acid
D. Citric acid
A. House sewer
B. Out-fall sewer
C. Branch sewer
D. Main sewer
A. Hydrogen sulphide
B. Carbon dioxide
C. Methane
D. Oxygen
A. Carbondioxide
B. Hydrogen sulphide
C. Methane
D. All of these
The gas evolved in sewers is________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 100 to 500
B. 500 to 1000
C. 1000 to 1500
D. 1500 to 2000
In sewage, the solids in mg per litre is__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering