Waste water Treatment MCQs PDF for test preparation. Civil Engineering MCQs for PPSC, FPSC, NTS, WAPDA, Pakistan Railways, MES, SPSC, KPPSC, and ETEA.
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/cFor 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 themThe 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 themFor 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