A. Tensile force
B. Compressive force
C. Bending force
D. Shearing force
The underground sewers are more subjected to________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 20 m
B. 30 m
C. 45 m
D. 75 m
A. The presence of oxygen
B. The absence of oxygen
C. Both cases A. and B.
D. Neither A. nor B.
Facultative bacteria survive in_____________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 1.0 m
B. 2.0 m
C. 3.0 m
D. 4.0 m
The maximum diameter of sewers adopted in the designs is_______________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Chezy’s formula
B. Bazin’s formula
C. Kutter’s formula
D. Manning’s formula
The formula V = (1/n) r2/3____________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Acid fermentation
B. Acid regressio
C. Alkaline fermentation
D. None of these
The first stage of neutral process of sludge digestion, is__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 2 metres/sec
B. 1 metre/sec
C. 0.5 metre/sec
D. 0.25 metre/sec
The self-cleansing velocity of water flowing through pipe lines, is___________________ ? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Nitrites are formed
B. Nitrates are formed
C. Carbondioxide is formed
D. Ammonia is formed
In very first stage of decomposition of the organic matter in sewage________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Branch sewers
B. Main sewers
C. Trunk sewers
D. All the above
Design period of 40 to 50 years is adopted for_________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Centrifugal pump
B. Reciprocating pump
C. Pneumatic ejector
D. None of these
