Curioustab

Home » Chemical Engineering » Environmental Engineering

Biological oxidation ponds remove organic matters present in the polluted water by

using the activities of bacteria and other micro organisms.
aerobic oxidation.
both (a) & (b).
neither (a) nor (b).

Correct Answer: both (a) & (b).

← Previous Question Next Question→

More Questions from Environmental Engineering

Out of the following, TLV of __________ is the minimum (about 0.02 ppm).
Reinglemann chart is used for the measurement of the
Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur?
The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the
Which of the following is not a natural source of air pollution?
The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).
Disinfection of water is done to remove
Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million).
Photochemical smog is formed from automobile exhaust
Fluorosis is caused due to the presence of excessive amount of __________ in drinking water.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion