Sewage treatment units are normally designed for______________?

Related Mcqs:

The depression of water table in a well due to pumping will be maximum_______________?

A. at a distance R from the well B. close to the well C. at a distance R/2 from the well D. none of the above where R is the radius of influence...

Alum as a coagulant is found to be most effective when pH range of water is______________?

A. 2 to 4 B. 4 to 6 C. 6 to 8 D. 8 to 10...

In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be___________?

A. 100 ppm B. 200 ppm C. 300 ppm D. 400 ppm...

The main disadvantage of cement concrete sewers is________________?

A. less strength B. difficulty in construction C. difficulty in transportation due to heavy weight D. less life...

Orthotolidine test is used for determination of________________?

A. dissolved oxygen B. residual chlorine C. biochemical oxygen demand D. dose of coagulant...