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Reg No
Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SECOND SEMESTER M.TECH DEGREE EXAMINATION, APRIL 2018
07 Thrissur Cluster
Civil Engineering
Environmental Engineering
07CE6104 Air Quality Management Meteorology
Time: 3 hours Max. Marks: 60
Answer all six questions. Part of each question is compulsory.
Answer either part or part of each question
Q.no. Module 1 Marks
1a
List out some air pollutants and indicate their sources
4
Answer b or c
b
Explain the theory of formation of photochemical smog.
.
5
c
Write short notes on
aerosols
smog
5
Q.no. Module 2 Marks
2a
Define a wind rose. Explain the importance of wind roses in the air
pollution studies.
4
Answer b or c
b
What is plume rise? Enumerate the factors which affect plume rise.
5
c
Sketch the possible shapes of smoke plumes for different combinations
of wind velocity and adiabatic lapse rate
.
5
Q.no. Module 3 Marks
3a
Write a detailed note on conventional methods of air sampling and
analysis
4
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Answer b or c
b What are the methods for the collection of gaseous air pollutants? 5
c Explain stack sampling. 5
Q.no. Module 4 Marks
4a What are the source correction methods to control air pollution? 4
Answer b or c
b What do you mean by bag house? Explain with figure the fabric filter
system
5
c Explain Howard settling chamber. What are the advantages and
disadvantages of settling chamber.
5
Q.no. Module 5 Marks
5a What are the factors affecting the selection of scrubbing medium. 5
Answer b or c
b Explain the functioning of electrostatic precipitator. 7
c Explain the functioning of impingement baffle plate scrubbers. What are
the merits and demerits of wet scrubbers?
7
Q.no. Module 6 Marks
6a Explain wet scrubbing methods for the removal of SO2 from flue gases. 5
Answer b or c
b Explain the methods for the control of exhaust emissions from
automobiles.
7
c Explain the methods used for the control of hydrocarbons. 7