F E192133 Pages:2

Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIFTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019

Course Code: CE371
Course Name: ENVIRONMENT AND POLLUTION
Max. Marks: 100 Duration: 3 Hours

PART A
Answer any two full questions; each carries 15 marks. Marks
1 a) Explain the multidisciplinary nature of environment with the help of a flow (5)
diagram?
b) What are the different modes of entry of environmental pollutants on human (5)
body system?
c) Name the major global environmental issues faced by today’s world and how do (5)

they affect the stability of the environment.

2 a) Differentiate between primary and secondary air pollutant, with examples. (5)
b) Give the list of pollutants emitted from (i) non metallic industry (ii) iron and steel (5)
industry (iii) thermal power plants (iv) cement industry and (v) oil refineries.
c) How do atmospheric stability conditions affect the behaviour of plume released (5)
from stacks?
3 a) What is meant by population explosion? What are its consequences? (3)
b) How is biosphere linked to other spheres of environment? (4)
c) What is smog? Why does Delhi have so much smog in recent years? (4)
d) How do air pollutants affect the plants and animals? (4)
PART B

Answer any two full questions; each carries 15 marks.

4 a) What are the impacts when waste water with high BOD is discharged to water (5)
bodies?

b) In the recent flooding events of Kerala, large number of motor vehicles and (5)
electronic equipments were drowned. Discuss about the probable pollutants that
would have caused pollution of water resources due to the disaster.

c) What is the intention of providing water quality standards? Give the names of (5)
any three authorised bodies who prescribe standards for potable water.

5 9) With the help of a flow diagram, give the various elements of an engineered solid (5)

Page 1 of 2