Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2171302 Air Pollution Control And Management Previous Question Paper
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2171302 Date: 15/11/2018
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.
Q.1 (a) Define A/F ratio. Explain Rich mixture & Lean mixture. 03
(b) Enlist various Particulate removal mechanisms & explain any one in detail. 04
(c) Draw neat sketch of Cyclone separator. Label & explain importance of each
components of it.
07
Q.2 (a) List various factors affecting efficiency of Cyclone separator. 03
(b) Discuss advantages & disadvantages of Venturi Scrubber. 04
(c) Define ?Air ? to ? Cloth Ratio? & explain Pulse Jet type bag filter with neat
sketch.
07
OR
(c) Explain step by step working of Electrostatic Precipitator (ESP) with figure. 07
Q.3 (a) Write down various sources of Automobile Emissions. 03
(b) Draw Air Pollution Control scheme for Foundry Industry in order to achieve stack
standards give by controlling authority.
04
(c) Write a short note on Stratified Engine. 07
OR
Q.3 (a)
Identify sources & types of air pollutants in Cement industry.
03
(b) Give difference between Two Storke & Four Stroke engines. 04
(c)
Write s short on Automobile emission reduction by ? Engine Modification?
07
Q.4 (a) Write down the significance for NOx control. 03
(b) Give difference between Wet & Dry process of SOx control methods. 04
(c) Identify sources, types of air pollutants & suggest air pollution control system in
order to achieve standards Fertilizer Industry.
07
OR
Q.4 (a) Explain the SOx formation mechanism. 03
(b) Classify various control methods of NOx. 04
(c) Identify sources, types of air pollutants & suggest air pollution control system in
order to achieve standards in Thermal Power Plant.
07
Q.5 (a) Define VOC. Enlist control techniques of VOC. 03
(b) Discuss ambient air quality standards & stack standards. 04
(c) Explain the magnesium oxide process for control of Sulfur dioxide with its
reaction chemistry.
07
OR
Q.5 (a) Discuss the roles of oxides of nitrogen in photo oxidation? 03
(b) Define ?Air Quality Index? & explain its applications. 04
(c) What is catalytic reduction? Explain SNCR with the help of diagram and reaction
chemistry
07
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This post was last modified on 20 February 2020