Category: Waste Water Engineering

A. Chezy’s formula
B. Bazin’s formula
C. Kutter’s formula
D. Manning’s formula

A. The materials separated by screens, is called screenings
B. The screenings are disposed off either by burning or by burial or by dumping
C. The process of burning the screenings, is known as compositing
D. All the above

A. The mixture of water and waste products, is called sewage
B. The treated sewage effluents, are generally used for irrigating the crops
C. The process of collecting, treating and disposing off the sewage, is called sewerage
D. The old convergence system was definitely better than water carried sewerage system

A. Invert level of a branch sewer is more than 60 cm that of the main sewer
B. Sewer line runs along a main road
C. Ordinary manhole cannot be built
D. Two sewer lines intersect

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm

A. 3 m
B. 3.5 m
C. 4 m
D. 4.5 m

A. Near the inner surface of the pipe
B. Near the outer surface of the pipe
C. Both A. and B.
D. With elliptical cage

A. Velocity of flow
B. Viscosity of water
C. Size and shape of solid
D. All the above

A. 500 litres/km/cm
B. 1000 litres/km/cm
C. 1500 litres/km/cm
D. 2000 litres/km/cm

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