If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is___________________?

Related Mcqs:

The asbestos cement sewers are_________________?

A. Light in weight B. Not structurally strong to bear large compressive stress C. Susceptible to corrosion by sulphuric acid D. All the above...

The sewer which resists sulphide corrosion, is____________________?

A. Brick sewer B. Cast iron sewer C. R.C.C. sewer D. Lead sewer...

Lead acetate test in sewer manhole is done to test the presence of ____________________?

A. Methane gas B. Hydrogen sulphide C. Carbondioxide gas D. Diesel vapours...

The formula V = (1/n) r2/3____________________?

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

The presence of free ammonia in sewage, is detected by___________________?

A. Boiling B. Adding potassium permanganate C. Adding sulphuric acid D. Phenol-di-sulphuric acid...