The gas which may cause explosion in sewers, is_________________?
The discharge per unit plan area of a sedimentation tank, is generally called________________?
The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is____________________?
Pick up the incorrect statement from the following for allowing workers to enter sewers_______________?
To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is_________________?
The normal values of over flow rates for sedimentation tanks using coagulant, ranges between__________________?
At the junction of sewers___________________?
The property of a fluid which enables it to resist tensile stress is known as________________?
Property of a fluid by which its own molecules are attracted is called ________________?
Density of water is maximum at ___________________?