Waste Water Engineering

A. 1 in 60
B. 1 in 80
C. 1 in 10
D. 1 in 400

A. 6
B. 7
C. 5
D. 6.5

A. D
B. 1.25 D
C. 1.5 D
D. 1.75 D

A. 1 minute
B. 2 minutes
C. 3 minutes
D. 5 minutes

A. 1.5
B. 2.0
C. 2.5
D. 3.0

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

A. 5 – 10 years
B. 15 – 20 years
C. 30 – 40 years
D. 40 – 50 years

A. Fit for discharge into any open drain
B. Foul and contains dissolved and suspended solids
C. As good as that from a complete treatment
D. None of these

A. A particle to travel along its length
B. A particle to travel from top surface to bottom sludge zone
C. The flow of sewage to fill the tank
D. None of these

A. Liquid waste
B. Sullage
C. Sewage
D. None of these