Q. Addition of hydrogen and removal of oxygen, known as

View solution

Q. Suspended solids and sediments increases turbidity of

View solution

Q. Heavier suspended solids settle down, at point of outfall of waste water, known as:

View solution

Q. Primary treatment reduces BOD, ranges from

View solution

Q. Solubility of oxygen in water is directly proportional to

View solution

Q. 'SOCs' stands for

View solution

Q. Fats, greases and oils are soluble in

View solution

Q. Heated water has a harmful effects on

View solution

Q. What is most common dissolved gas in water?

View solution

Q. Nitrogen in sewage indicates presence of

View solution

Q. What affects velocity and surface expansion of river?

View solution

Q. In first stage of aerobic decomposition, carbonaceous matter is being

View solution

Q. Nitrogen free compound includes:

View solution

Q. Sewage obtained from domestic premises as well as commercial and industrial buildings, known as

View solution

Q. Waste water contains algae, fungi, bacteria and

View solution

Q. Main sources of nitrogen compounds in waste water are proteins, amines, and

View solution

Q. Secondary treatment is carried out for removal of

View solution

Q. Rate of oxidation depends on amount of:

View solution

Q. In secondary treatment, decomposition of organic matters is carried out by

View solution

Q. 'volatile solids' represents the

View solution