Most of the bacteria in sewage are______________?

Related Mcqs:

The most common cause of acidity in water is_______________?

A. carbon dioxide B. oxygen C. hydrogen D. nitrogen...

A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called________________?

A. house sewer B. lateral sewer C. main sewer D. submain sewer...

Select the correct statement?

A. 5 day BOD is the ultimate BOD B. 5 day BOD is greater than 4 day BOD keeping other conditions same C. 5 day BOD is less than 4 day BOD keeping other conditions same D. BOD does nof depend on time...

The working conditions in imhoff tanks are_______________?

A. aerobic only B. anaerobic only C. aerobic in lower compartment and anaerobic in upper compartment D. anaerobic in lower compartment and aerobic in upper compartment...

Period of cleaning of slow sand filters is about________________?

A. 24 – 48 hours B. 10-12 days C. 2-3 months D. 1-2 year...