Reg No.:

03000CE371092002

Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Fifth Semester B.Tech Degree Regular and Supplementary Examination December 2020

Max. Marks: 100

1

2 ஐ
b)

3 a)
b)
०)

4 2)
b)

5 a)
b)
0)

Course Code: CE371
Course Name: ENVIRONMENT AND POLLUTION

PARTA
Answer any two full questions, each carries 15 marks.
Analyse the role of biogeochemical cycles in the sustenance of ecosystems.
Illustrate the natural pathways of nitrogen transfer in an ecosystem.
How will you classify ecosystems based on the level and source of energy?
Explain each one in detail
Discuss the mode of formation of carbon monoxide and its effects of on human
health
Classify air pollutants based on their source and mode of formation
What is meant by an aerosol? How will you classify aerosols?
Suggest five measures that can be adopted to control industrial air pollution?
PART ‏تا‎
‎Answer any two full questions, each carries 15 marks.

What is the need for water quality analysis? Which is the Indian Standard that
prescribes the specifications for drinking water quality? If a water sample is
found to have the following characteristics, state your observations on the
quality of water

(i) 1-6

(11) = Turbidity - 18 NTU

(111) — Total dissolved solids — 2350 mg/l

(iv) | Chloride — 300 mg/l
Outline five major pollutants of water.
Generalise the effects of any one water-borne disease outlined by the World
Health Organisation on human health, stating the mode of occurrence.
Define BOD and generalise its significance in water quality.

Analyse the significance of segregation in solid waste management.

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Duration: 3 Hours

Marks
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(10)

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