A. Carbon dioxide
B. Hydrogen
C. Ammonia
D. All the above
During purification process of sewage the gas given off, is________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. House sewers
B. Lateral sewers
C. Branch sewers
D. Main sewers
The sewerage system originates from__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Anaerobic bacteria
B. Aerobic bacteria
C. Both types of bacterias
D. None of these
In septic tanks, decomposition of organic bacteria, is done by_____________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Minimum flow
B. Maximum flow
C. Both A. and B.
D. None of these
Sewer pipes need be checked for_________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. D8/3 = 4 b8/3
B. D3/8 = 4 b3/8
C. D2/3 = 4 b2/3
D. D3/2 = 4 b3/2
hydraulically equivalent, the relationship which holds good, is _______________? Read More »
Civil Engineering Mcqs, Waste Water Engineering 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
