Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 8th Sem Old 180608 Air Pollution Control Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VIII (Old) EXAMINATION ? WINTER 2019
Subject Code: 180608 Date: 29/11/2019
Subject Name: Air Pollution Control
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a)
Classify air pollutants into different categories indicating their sources.
07
(b)
Discuss ? London smog episode.?
07
Q.2 (a)
Explain the following terms with their significance: (1) Effective stack height
(2) Wind Rose Diagram
07
(b)
What is global warming? What are the causes of global warming? Discuss its
impact
07
OR
(b)
Effects of air pollutants on human being.
07
Q.3 (a)
Calculate effective stack height of a stack for following data:
Physical height of stack = 120 m
Inside diameter of stack = 0.90 m
Wind velocity = 3.60 m/s
Air temperature = 20
0
C
Barometric pressure = 1000 milibars
Stack gas velocity = 10 m/s
Stack gas temperature = 150
0
C
07
(b)
Enlist the different meteorological parameters affecting the dispersion of air
pollutants in the atmosphere. Explain any two of them in detail.
07
OR
Q.3 (a)
Ozone depletion
07
(b)
Effects of air pollutants on plants
07
Q.4 (a) Discuss High Volume Sampler and its use 07
(b) Describe fabric bag house filter 07
OR
Q.4 (a) Short note on Gravitational settling chamber 07
(b) Which scrubbers are available in market? Describe any two in detail. 07
Q.5 (a) Give details about methods of analysis of SO2 07
(b) What is maximum mixing depth? 07
OR
Q.5 (a) Write short note on ?Legislation for control of air pollution and automobile
pollution
07
(b) Explain green house effect 07
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This post was last modified on 20 February 2020