For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?

Related Mcqs:

Dry weather flow is__________________?

A. Average daily rate of flow B. Average monthly rate of flow C. Average annual rate of flow D. Water supply allowance per capita...

The grit chambers of sewage treatment plants, are generally cleaned after__________________?

A. 2 days B. 7 days C. 12 days D. 14 days...

For sewers, inverted siphon is provided for___________________?

A. One pipe B. Two pipes C. Three pipes D. Four pipes...

The detention time (t) of a settling tank, may be defined as the time required for_________________?

A. A particle to travel along its length B. A particle to travel from top surface to bottom sludge zone C. The flow of sewage to fill the tank D. None of these...

In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept________________?

A. 10.0 B. 5.0 C. 2.0 D. 0.25...