GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VII (New) EXAMINATION — WINTER 2019
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Subject Code: 2171303
Subject Name: Industrial Water Pollution & Control
Date: 26/11/2019
Time: 10:30 AM TO 01:00 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) Explain the various sources of water pollution. | 03 |
| b) Give the difference between standards & criteria. | 04 | |
| c) Enlist methods of Neutralization & explain any two in detail. | 07 | |
| Q.2 | a) Give the classification of Lake based on their productivity. | 03 |
| b) Enlist various sources of oil pollution. | 04 | |
| c) Enlist & explain the basic objectives of setting up common effluent treatment plant (CETP). | 07 | |
| OR | ||
| c) What is Volume reduction? Enlist different technique of volume reduction. Explain any one in detail. | 07 | |
| Q.3 | a) Enlist various factors to be considered while selecting Land as ultimate source of disposal. | 03 |
| b) Enlist various primary & secondary benefits of pollution abatement. | 04 | |
| c) Write a short note on self-purification capacity of river. | 07 | |
| OR | ||
| c) Explain the need of Proportioning in wastewater treatment | 07 | |
| Q.4 | a) List various methods for treatment of Strong industrial wastewaters & explain any one in detail. | 03 |
| b) Write a short note on stratification of lake. | 04 | |
| c) Explain importance to draw water balance diagram for any industry. | 07 | |
| OR | ||
| c) How evaporation is useful fortreatment of strong industrial waste? | 07 | |
| Q.5 | a) Identify sources of water pollution generated from dairy industry & suggest Effluent treatment flowdiagram. | 03 |
| OR | ||
| a) Enlist various methods for strength reduction. | 03 | |
| b) Define stream'standards & effluent standards. | 04 | |
| c) Draw manufacturing process diagram of Textile industry, identify various sources of wastewater generation in the same & suggest appropriate treatment flow diagram to achieve effluent standards. | 07 | |
| OR | ||
| a) Draw “DO Sag Curve”. | 03 | |
| b) Give the difference between sewage & effluent. | 04 | |
| c) How does segregation reduce the strength of waste water? Give an example. | 07 | |
| OR | ||
| a) How to determine depth of Euphotic zone in lake. | 03 | |
| OR | ||
| a) Enlist various challenges of CETP. | 03 | |
| b) Write a short note on “Basic water quality parameter required for boiler feed water and cooling water.” | 04 |
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