Annamalai University HYDROGEOLOGY November/December 2010 Question paper

University: Annamalai  University
Course:  HYDROGEOLOGY
Subject :  HYDROGEOLOGY
Year of  Question Paper : 2010

Reg. No. ________    

Karunya University

(Karunya Institute of Technology and Sciences)

(Declared as Deemed to be University under Sec.3 of the UGC Act, 1956)

End Semester Examination – November/December 2010  

Subject Title: HYDROGEOLOGY              Time: 3 hours

Subject Code: 09CE3101                      Maximum Marks: 100           

                             

Answer ALL questions (5 x 20 = 100 Marks)

1. a. Describe the hydrological cycle with salient features with neat sketch.

b. Explain the ground water budget with an example.

                                     (OR)

2. Does water crisis exist in India? Discuss them with respect to ground water in any part of India and explain how to solve the problems.

3. a. Explain the terms storage coefficient and coefficient of transmissibility.

b. What are the factors controlling ground water movement?  Elaborate.

                                    (OR)

4. Give short notes of the following terms:

a. Confined and unconfined aquifer.(6)

b. Laminar and Turbulent flow. (4)

c. Darcy’s equation. (4)

d. Storativity and Homogeneity (6)

5. Compulsory:

a. State and discuss the assumptions and limitations of Dupuit’s theory.

b. A well is located in a 30m thick confined aquifer of permeability 35m/day and storage coefficient of 0.004.  If the well is pumped at the rate of 1500 lpm, calculate the drawdown at a distance of 400 m from the well after 20 hours of pumping.

6. What are the data for the measurement and interpretation of ground level?  How are these parameters useful in interpretation - explain.

                                             (OR)

7. a. What is meant by saltwater intrusion?

b. On the seashore side how is ground water affected by the salt water intrusion.  Give an example and explain these.  How are these problems rectified?

8. Explain the following with reference to ground water quality.

a. advection b. dispersion c. degradation

d. point and non-point source pollution

                                           (OR)

9. a. Explain contaminant transport occurring in ground water.

b. What are the geochemical parameters involved in contaminant transport?  Explain..

 

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