The flow velocity in detritus tanks is________________?

Related Mcqs:

For drainage pipes in buildings the test applied before putting them to use, is__________________?

A. Water test B. Smoke test C. Straightness test 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...

Design period of 40 to 50 years is adopted for_________________?

A. Branch sewers B. Main sewers C. Trunk sewers D. All the above...

The small sewers are cleaned by____________________?

A. Flushing B. Cane rodding C. Wooden pills D. None of these...

Pick up the correct statement from the following ?

A. Turbidity is more in strong sewage B. The black colour indicates septic sewage C. The sewage omits offensive odours after four hours D. All the above...