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B.TECH.
THEORY EXAMINATION (SEM–VIII) 2016-17
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Time: 3 Hours
GROUNDWATER MANAGEMENT
Max. Marks : 100
Note: Be precise in your answer. In case of numerical problem assume data wherever not provided.
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SECTION – A
- Explain the following: 10 x 2 = 20
- List the different types of aquifers.
- Define hydro-geologist.
- What are the limitations made in Dupits theory?
- Differentiate between confined and unconfined aquifers.
- State the water well.
- Write the types of tube well.
- List the techniques adopted for groundwater modelling.
- What is groundwater drainage?
- State the advantage of groundwater management model
- Write the application of remote sensing in groundwater management.
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SECTION – B
- Attempt any five of the following questions: 5 x 10 = 50
- Describe in detail about the Occurrence of ground water?
- Express the flow net construction for steady groundwater flow.
- State the characteristic well losses in detail.
- (i) Design a tube well for the following data:
Yield required = 0.08 cumec
Thickness of confined aquifer = 30m
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Permeability coefficient = 60m/day
Drawdown = 5m
(ii) Write the selection of suitable site for tube well in detail. - Write short notes on
(i) Well construction--- Content provided by FirstRanker.com ---
(ii) Well completion
(iii) Well disinfection - What do you mean by artificial discharge and recharge of groundwater? Explain the term groundwater drainage.
- Brief notes on Groundwater budgeting and Surface & Sub surface investigation of groundwater.
- Write a brief note on rain water harvesting method for urban areas.
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SECTION - C
- Attempt any two of the following questions: 2 x 15 = 30
- Derive an expression for the steady state discharge from a well in an unconfined aquifer. Draw a neat sketch and state clear all the assumption.
- Enumerate the different techniques of geophysical exploration and explain any two.
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- Explain in detail with neat sketch the “Hydrologic Cycle”.
- Write the different phenomenon that occurs in the movement of contaminated water.
- What do you understand by groundwater modelling? How is GIS applied for modelling?
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