Question: Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by
Options
A : natural aeration of water stream.
B : photosynthetic action of algae.
C : both (a) & (b).
D : neither (a) nor (b).
Environmental Engineering - Part 1 more questions
In water chemical treatment plant, use of chloramines ensures
Which of the following is the common pollutant emitted from....
During which of the following operating conditions of an automobile,....
H 2 S present in gaseous stream can be removed....
Inhalation of lead compounds present in automobile exhaust (using leaded....
Aerodynamic noise resulting from turbulent gas flow is the most....
Fluorosis (a bone disease) is caused by the presence of....
Threshold Limit Value (TLV) is the maximum allowable concentration (i.e.....
Main pollutants released from iron & steel industry is
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Chemical Engineering Basics - Part 1
Chemical Engineering Plant Economics - Part 1
Chemical Engineering Thermodynamics - Part 1
Chemical Reaction Engineering - Part 1