Category: Waste Water Engineering

A. Hydrology
B. Dissolved oxygen in water
C. Temperature
D. All the above

A. A sedimentation tank and an activated sludge treatment plant
B. A plant consisting of Imhoff tanks with low rate trickling filters
C. Sedimentation tanks with high rate trickling filters
D. None of these

A. Average demand
B. Twice the average demand
C. Thrice the average demand
D. Four times the average demand

A. 30 litres/person/year
B. 25 litres/person/year
C. 30 litres/person/month
D. 25 litres/person/month

A. Rivers
B. Seas
C. Lakes
D. None of these

A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true

A. d² (0.011d + 0.785H)/Q
B. d (0.022d + 0.085H)/Q
C. d (0.785d + 0.011H)/Q
D. d (0.285d + 0.011H)/Q

A. Its intensity
B. Its direction
C. Its frequency
D. All the above

A. Mechanized receipt
B. Mechanized segregation
C. Mechanized pulverising of refuse
D. All of these

A. 1 in 100 upward
B. 1 in 500 upward
C. 1 in 100 downward
D. 1 in 503 upward