F 03000CE374052004 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Sixth Semester B.Tech Degree (Hons.) Examination June 2020

Course Code: CE374
Course Name: AIR QUALITY MANAGEMENT
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any two full questions, each carries 15 marks. Marks

1 2) Distinguish between primary and secondary air pollutants with the help of (4)

examples.
b) What is air pollution? List out the various manmade air pollutants. (3)
c) Explain any four industrial processes causing air pollution. (8)
2 2) Discuss the effects of following air pollutants on human beings. (9)

a) Particulate matter b) Hydrocarbons c) Carbon monoxide

b) Write short notes on a) Bhopal gas tragedy b) London smog (6)
3 923). Explain the effect of air pollutants on vegetation. (8)
b) What is indoor air pollution? How can you improve indoor air quality? (7)
PART ‏تا‎
‎Answer any two full questions, each carries 15 marks.
4 a) Discuss atmospheric inversion and its significance. (8)

b) Explain Gaussian plume model. What are the advantages & disadvantages of (7)
Gaussian plume model?
5 89) Describe stable and unstable atmosphere. (5)
0) A factory is emitting Sulphur dioxide from a stack of effective height 250 m ata (10)
rate 500 g/s on a sunny day with moderate wind speed, 6 m/s at stack altitude.
Estimate the total Sulphur dioxide concentration
a) at a point | km downwind
b) ata point | km downwind and 50 m away from the centre line
c) at a point 1 km downwind, 50 m away from the centre line and 20 m above
the ground.

Assume oy = 151 m and oz = 108 ൩

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