There are bottom holes in the standing baffle wall that measure 15 cm by 15 cm.
A. 30 cm c/c
B. 50 cm c/c
C. 22.5 cm c/c
D. 15 cm c/c
Waste water Engineering
For a sewer to function effectively, it needs to be maintained sure that :
A. A maximum velocity of 0.90 m/sec, is maintained at its maximum flow
B. Minimum velocity of 0.45 m/sec, is maintained at its minimum flow
C. Both a and b
D. None of them
The asbestos cement sewers are ____ ?
A. Susceptible to corrosion by sulphuric acid
B. Light in weight
C. Not structurally strong to bear large compressive stress
D. All the them
For a continuous flow type of sedimentation tanks ___ ?
A. Length of the tank is normally kept 4 to 5 times the width
B. Maximum horizontal flow velocity is limited to 0.3 m/minute
C. Width of the tank is normally kept about 6 m
D. All the above