Design period of 40 to 50 years is adopted for_________________?

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...

If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is_________________?

A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l...

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

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

The gas evolved in sewers is________________?

A. Carbondioxide B. Hydrogen sulphide C. Methane D. All of these...

In sewers designed with self cleansing velocity________________?

A. The bottom is silted B. The bottom is scoured C. Both silting and scouring occur at the bottom D. Neither silting nor scouring occurs at the bottom...