GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Code:2161307 Date:21/05/2019
Subject Name: Ground water Contamination
Time:10:30 AM TO 01:00 PM Total Marks: 70
Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VI(NEW) - EXAMINATION - SUMMER 2019Subject Code:2161307 Date:21/05/2019
Subject Name: Ground water Contamination
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| MARKS | ||
|---|---|---|
| Q.1 | (a) Define the following terms. (1) Confined aquifer (2) Unconfined aquifer (3) Porosity | 03 |
| (b) Distinguish between: Aquifer & Aquitard. | 04 | |
| (c) Explain ground water in hydrological cycle with neat sketch. | 07 | |
| Q.2 | (a) Write down the hydrological properties of water bearing strata. | 03 |
| (b) Explain Artificial recharge for “energy purpose” | 04 | |
| (c) Derive governing differential equation of unsteady ground water flow in unconfined aquifer | 07 | |
| OR | ||
| (c) Derive governing differential equation of unsteady ground water flow in confined aquifer | 07 | |
| Q.3 | (a) Explain induced recharge method with their flow pattern. | 03 |
| (b) Explain in detail interference among wells. | 04 | |
| (c) Explain the Darcy’s law. What is its limitation? Discuss its validity | 07 | |
| OR | ||
| Q.3 | (a) What is cone of depression? | 03 |
| (b) Explain in detail method of images. | 04 | |
| (c) Describe the occurrences of ground water in unconfined & confined aquifer with neat sketch. | 07 | |
| Q.4 | (a) Explain the assumptions made in dupuit’s theory. | 03 |
| (b) Explain in detail different sources responsible for ground water pollution with causes. | 04 | |
| (c) Write a short note on advective and dispersive transport mechanism. | 07 | |
| OR | ||
| Q.4 | (a) Difference between fully and partial penetrating wells. | 03 |
| (b) Explain site selection criteria for artificial recharge. | 04 | |
| (c) Explain the pumping test to estimate the safe yield from an open well. | 07 | |
| Q.5 | (a) Discuss in detail ground water budget. | 03 |
| (b) Explain in detail how to monitor groundwater quality | 04 | |
| (c) Write down the Indian & international standards for ground water quality. | 07 | |
| OR | ||
| Q.5 | (a) Enlist Preventive measures for ground water pollution. | 03 |
| (b) Distinguish between : Unconfined aquifer & a leaky aquifer | 04 | |
| (c) Enlist & explain ground water remediation methods. | 07 |
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