A. Alum
B. Ferric chloride
C. Ferric sulphate
D. Chlorinated copperas
A. Hydrogen sulphide
B. Carbon dioxide
C. Methane
D. Oxygen
A. Size of the sewer
B. Shape of the sewer
C. Roughness of sewer surface
D. All the above
A. 26.88 cumecs
B. 27.88 cumecs
C. 28.88 cumecs
D. 29.88 cumecs
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are 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. 0.10 cumec
B. 0.12 cumec
C. 0.15 cumec
D. 0.20 cumec
A. Fruhling
B. Lloyd David
C. Kuichling
D. All of these
A. Average daily rate of flow
B. Average monthly rate of flow
C. Average annual rate of flow
D. Water supply allowance per capita
A. Low estimates of the average and maximum flows
B. Large scale infiltration of storm water
C. Unexpected increase in population
D. All the above
