GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION — WINTER 2017
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Subject Code: 2171302 Date:02/11/2017Subject Name: Air Pollution Control and Management
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
Q.1 (a) Construct the cyclone separator with help of its components. 03
(b) Explain the working principle of Gravity settling chamber with neat sketch. 04
(c) Enlist the cleaning mechanisms of bag filter and explain each in detail with diagram. 07
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Q.2 (a) Define Following terms: 03
(1) Resistivity (ii) Pressure Drop (iii) Viscosity
(b) How to maintain the negative pressure in air pollution control System? 04
(c) Identify the sources and explain suitable air pollution control system for Thermal Power Plant. 07
OR
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(c) Identify the sources and explain suitable air pollution control system for cement Industries. 07
Q.3 (a) Classify the SOx Control methods. 03
(b) Differentiate between single and double alkali scrubbing. 04
(c) Explain the magnesium oxide process for control of Sulfur dioxide with its reaction chemistry. 07
OR
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Q.3 (a) Enlist and explain the three opportunities for formation of NOx. 03
(b) Enlist the Control methods of NOx to reducing the peak temperature and explain anyone in detail. 04
(c) Write a short note on selective catalytic reduction with its reaction chemistry and neat sketch. 07
Q.4 (a) Highlight the importance of the Tall stack dispersion 03
(b) Write a short note on hydrocarbon reactivity. 04
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(c) Explain working principle of Electrostatic precipitator with neat sketch. 07OR
Q.4 (a) Write down the working of conventional internal combustion engine. 03
(b) Write a note on Crankcase and evaporative emissions. 04
(c) Enlist and explain methods of control of vehicular emissions. 07
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Q.5 (a) Define A/F ratio in gasoline engine and also identify the origin 03
(b) Give the difference between: 04
(1) Internal Combustion Engine and External Combustion Engine
(ii) Two Stroke Engine and Four Stroke Engine
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(c) Write a brief note on Rotary combustion engine with neat sketch. 07OR
Q.5 (a) Which scrubber is efficiently removing the particulate matter? 03
Draw a neat sketch of that scrubber.
(b) What are the sources of Volatile Organic compounds? 04
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(c) Describe the performance parameters of Electrostatic precipitator and explain each in detail. 07--- Content provided by FirstRanker.com ---
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