Waste Water Engineering

A. 20% of the design discharge
B. Slightly less than 5% of the design discharge
C. Slightly more than 5% of the design discharge
D. None of these

A. Size
B. Shape
C. Weight
D. None of these

A. Should be sunk by 20 cm
B. Should be kept 20 cm above the adjacent portion
C. Should be sunk by 50 cm
D. Need not be sunk

A. 0.68 m
B. 0.88 m
C. 1.36 m
D. 1.76 m

A. Kgs
B. Joules
C. Newtons
D. Watts

A. 3 ppm
B. 4 ppm
C. 5 ppm
D. 10 ppm

A. Alum
B. Ferric chloride
C. Ferric sulphate
D. Chlorinated copperas

A. 1/4
B. 1/3
C. 1/2
D. 3/4

A. Screening
B. Skimming
C. Filtration
D. None of these

A. Velocity of flow
B. Diameter of the sewer
C. Discharge
D. All the above