Download GTU BE/B.Tech 2019 Winter 7th Sem New 2171302 Air Pollution Control And Management Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 7th Sem New 2171302 Air Pollution Control And Management Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VII (New) EXAMINATION ? WINTER 2019
Subject Code: 2171302 Date: 23/11/2019

Subject Name: Air Pollution Control and Management
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Discuss the importance of Air Quality Index. 03
(b) Write a brief note on alternative fuels. 04
(c) Write a short note on ?Air pollution Episodes?. 07
Q.2 (a) Enlist the various sources of VOC emission. 03
(b) List down the various routes for NOX formation during the combustion
process.
04
(c) Discuss various types of automobile emission and its contribution to
overall vehicular pollution.
07
OR
(c) What is Photochemical smog? Explain the effects of photochemical
smog in brief.
07
Q.3 (a) Discuss lime scrubbing throwaway process for removing SOx from flue
gas.
03
(b) Explain the following process in brief for NOX control (i) Air Staging
(ii) Fuel staging
04
(c) ?By reducing the combustion temperature during the combustion
process will effectively reduce the favorable condition for NOx
formation.? Above statement is true? Give your comments.
07
OR
Q.3 (a) Write a brief note on selective catalytic reduction 03
(b) Differentiate between fuel desulfurization methods & flue gas
desulfurization methods for prevention and control of SOx pollution.
04
(c) Write a short note on ? Regenerative process for SOx control? 07
Q.4 (a) Make a list of equipments used to control particulate matter along with their
working principles.
03
(b) Explain the construction of Electrostatic precipitator. 04
(c) With neat sketch explain the construction & working principle of cyclonic
scrubber.
07
OR
Q.4 (a) Enlist the pre-combustion and post combustion methods of NOX
pollution control.
03
(b) Explain how gaseous pollutants are controlled using principle of adsorption
and absorption.
04
(c) Write a detail note on gravity settling chamber. How its efficiency can be
improved?
07
Q.5 (a) Write a brief note on turbojet engine. 03
(b) Explain the phenomena of Ozone formation in the atmosphere. 04
(c) Identify the various sources pollution emitted from the metal industry
and suggest the suitable pollution prevention/control measures
07
OR

Q.5 (a) Write a brief note on rotary combustion engines. 03
(b) Write a brief note on Catalytic Converter. 04
(c) Write brief note on control of air pollution in the coal base thermal power
plant with neat sketch
07
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