This download link is referred from the post: GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
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Subject Code:2173515 Date:30/01/2021
Subject Name:Design Of Air Pollution Control System And Air Quality Modeling
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) Write a note on Gravity settler. 03
(b) Write main design equations of Electrostatic Precipitator and explain their significance 04
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(c) Derive performance equation (Design Equation) for gravity settling chamber. 07
Q.2 (a) Explain multiple tray settlers. 03
(b) Write a note on Scrubber. 04
(c) Explain various natural mechanisms for removal of gaseous component and particulate matter. 07
Q.3 (a) Explain Activated Carbon technique for SOx removal. 03
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(b) How many type of air cyclones are there? Explain briefly each type. 04
(c) Write a note on Seaboard process, Girbotol process, Claus process for sulphur removal during combustion. 07
Q.4 (a) Explain Jet injects Scrubber with neat diagram 03
(b) Explain hydrodesulphurization of coal: 04
(c) What do you understand by Dispersion Modeling? Explain in detail 07
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Q.5 (a) Define: ESP, stability classes; air quality model 03
(b) What are Atkin particles? Explain. 04
(c) Write short notes: (1) ISCST3 (i1) CALINE4 07
Q.6 (a) Explain Plume rise; migration velocity, air pollution. 03
(b) Explain Extraction of Sulphur from fuel. (Sweetening Process and hydrodesulphurization of Coal). 04
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(c) Explain Gaussian Plume model in detail with its limitation 07
Q.7 (a) What do you mean by Receptor Modeling? 03
(b) Draw a figure with nomenclature and explain mechanism and working of cyclone separator. 04
(c) Discuss “Control of oxides of Nitrogen by Modification of Operating Conditions and Modification of Design Condition”. 07
Q.8 (a) Enlist control technologies for Hydrocarbons. 03
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(b) Write short note on AERMOD 04
(c) Explain “DCDA (Double Contact Double Absorption) Process” for production of sulphuric acid from sulphur dioxide. 07
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This download link is referred from the post: GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University