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Seat No.: Enrolment No.
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (OLD) EXAMINATION - SUMMER 2019
Subject Code: 171302 Date: 14/05/2019
Subject Name: Air Pollution Control And Management
Time: 02:30 PM TO 05:00 PM Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q.1 (a) Air pollution control management. Discuss in detail. 07
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(b) Enlist which pollutants affect the ambient air quality? Explain in brief. 07
Q.2 (a) What is A/F ratio in automobile? Discuss pollutants generated from mobile sources. 07
(b) Draw a neat sketch of a gas turbine combustion chamber. Explain ways of reducing emissions of carbon monoxide and hydrocarbons. 07
OR
(b) Enlist the pollutants emitted from a diesel engine. What sort of modifications do you suggest to control the pollutants? 7
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Q.3 (a) Explain in brief acid rain and show through a series of reactions the formation of acids in the atmosphere. 07
(b) Enlist the photochemical oxidants and write the reactions of their formation. 07
OR
Q.3 (a) What are the objections to the lime scrubbing throwaway process for removing SO2 from stack gases? (7
(b) With reference to atmospheric photochemical reaction, explain in detail Hydrocarbon reactivity. (7
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Q.4 (a) Discuss control of particulate matter in a bag filter and explain its cleaning mechanisms with a sketch. (7
(b) Enlist and Explain selection criteria for Air Pollution Control Equipment. 07
OR
Q.4 (a) Explain advantages, disadvantages, and applications of Electro Static Precipitators. 07
(b) Enlist and explain control methods for gases and vapors. 07
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Q.5 (a) Write a Brief note on Photochemical Smog & Hydrocarbon Reactivity. 07
(b) Briefly explain Double Alkali Scrubbing System for Sulfur Dioxide. 07
OR
Q.5 (a) Write a short note on the thermodynamics of photochemical reactions. 07
(b) Write a short note on Single Alkali Scrubbing System for Sulfur Dioxide. 07
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This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University
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