For detecting the nitrates in sewage, the colour may be developed by adding________________?

Related Mcqs:

The sludge does not contain waste water from_________________?

A. Bath rooms B. Wash basins C. Kitchen sinks D. Toilets...

The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called ____________________?

A. Inverted syphon B. Depressed sewer C. Sag pipe D. all of these...

For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?

A. 1.5 B. 2.0 C. 2.5 D. 3.0...

House connections to the laterals is generally made by___________________?

A. R.C.C. B. P.C.C. C. Cast iron D. Glazed stonewares...

Removal of oil and grease from sewage, is known____________________?

A. Screening B. Skimming C. Filtration D. None of these...