Q. For trunk and out-fall, the type of sewers generally used, is

View solution

Q. Pick up the incorrect statement from the following :

View solution

Q. Hydraulic mean radius is

View solution

Q. Sewer ventilating columns are generally placed at

View solution

Q. In case of Imhoff tanks,

View solution

Q. If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is

View solution

Q. A drop manhole is provided if

View solution

Q. In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is

View solution

Q. In septic tanks,

View solution

Q. The sewer pipe which carries sewage from a building for immediate disposal is

View solution

Q. The algae dies out in the zone of

View solution

Q. The recommended detention period for grit chambers is

View solution

Q. Pick up the correct statement from the following :

View solution

Q. Pick up the correct statement from the following :

View solution

Q. The liquid wastes from kitchens, bath rooms and wash basins, is not called

View solution

Q. The presence of free ammonia in sewage, is detected by

View solution

Q. The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known

View solution

Q. The standard B.O.D. of water is taken for

View solution

Q. The digested sludge from septic tanks, is removed after a maximum period of

View solution

Q. For providing an Indian type W.C., the R.C.C. slabs in the toilet portion

View solution