Air Pollution B.Tech/BE 7 Semester/Term 2014
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BS ZOOLOGY first semester Animal diversity ZOOL 101 - university of Punjab 2025
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Literary criticism
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this paper consists of 60 marks but now we have 35 marks paper.
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Can you please tell me more past papers please because my exams are starting from next week
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Did you provide the past papers of the science of society uos?
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Paper text
B.E. / B.Tech. (Full Time) DEGREE END SEMESTER EXAMINATIONS, APRIL/MAY 2014
CIVIL ENGINEERING BRANCH
SEVENTH SEMESTER
CE 9050 AIR POLLUTION CONTROL
(REGULATIONS - 2008)
Time: 3 hours
Answer All Questions
Max.Marks: 100
Instructions
(i) Part A carries a maximum of 20 marks and Part B carries a maximum of 80 marks
(ii) All questions in Part A carries 2 marks each and all question in Part B carries 16 marks each
(iii) Make suitable assumptions wherever necessary and state them clearly
PART A (10X2 = 20 Marks)
1. Distinguish between primary and secondary air pollutants.
2. What are emission standards?
3. What is dry adiabatic lapse rate?
4. Name any two meteorological factors, which have great effect on air pollutant
transportation?
5. Differentiate between physical and chemical adsorption.
6. Name the four key factors affecting the efficiency of combustion as a pollution control
device.
7. What are the two broad approaches to control air pollution emissions?
8. What are wet scrubbers?
9. List out the contaminants present in tail pipe emissions of automobiles.
10. What are the properties of noise?
PART B (5X16 = 80 Marks)
11. Explain the various types of stack plume behaviour with respect to stability of
atmosphere.
12.a) What are the major sources of air pollution and discuss the major type of pollutants
produced by each source.
(OR)
b) Explain in detail the adverse effects of air pollution on vegetation and human health.
