With self cleansing velocity in sewers___________________?

Related Mcqs:

If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is_________________?

A. 100 cm B. 90 cm C. 80 cm D. 50 cm...

The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called ____________________?

A. Inverted syphon B. Depressed sewer C. Sag pipe D. all of these...

Oxidation process results in the formation of___________________?

A. Carbon dioxide B. Nitrates C. Sulphates D. All the above...

For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?

A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid potassium hydroxide D. None of these...

Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank_________________?

A. Both A and R is true and R is the correct explanation of A B. Both A and R is true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true...