GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VIII (Old) EXAMINATION — WINTER 2019
Subject Code: 180608 Date: 29/11/2019
Subject Name: Air Pollution Control
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) | Classify air pollutants into different categories indicating their sources. | 07 |
| (b) | Discuss “ London smog episode.” | 07 |
| Q.2 (a) | Explain the following terms with their significance: (1) Effective stack height (2) Wind Rose Diagram | 07 |
| (b) | What is global warming? What are the causes of global warming? Discuss its impact | 07 |
| OR | ||
| Q.2 (a) | Effects of air pollutants on human being. | 07 |
| (b) | Calculate effective stack height of a stack for following data: --- Content provided by FirstRanker.com --- Physical height of stack = 120 mInside diameter of stack = 0.90 m Wind velocity = 3.60 m/s Air temperature =20 ° C Barometric pressure = 1000 milibars --- Content provided by FirstRanker.com --- Stack gas velocity = 10 m/sStack gas temperature = 150°C | 07 |
| Q.3 (a) | Enlist the different meteorological parameters affecting the dispersion of air pollutants in the atmosphere. Explain any two of them in detail. | 07 |
| (b) | 07 | |
| OR | ||
| Q.3 (a) | Ozone depletion | 07 |
| (b) | Effects of air pollutants on plants | 07 |
| Q.4 (a) | Discuss High Volume Sampler and its use | 07 |
| (b) | Describe fabric bag house filter | 07 |
| OR | ||
| Q.4 (a) | Short note on Gravitational settling chamber | 07 |
| (b) | Which scrubbers are available in market? Describe any two in detail. | 07 |
| Q.5 (a) | Give details about methods of analysis of SO2 | 07 |
| (b) | What is maximum mixing depth? | 07 |
| OR | ||
| Q.5 (a) | Write short note on “Legislation for control of air pollution and automobile pollution | 07 |
| (b) | Explain green house effect | 07 |
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