STUPIDSID
1 (a)
What is the scope of geotechnical engineering in the field of civil engineering?
7 M
1 (b)
What is weathering? Enumerate the type of weathering. Distinguish between physical and chemical weathering.
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2 (a)
A soil sample has a porosity of 40 percent. The specific gravity of solids is 2.70. Calculate (a) void ratio, (b) dry density, (c) unit weight if the soil is 50% saturated and (d) unit weight if the soil is completely saturated.
7 M
Answer any one question from Q2 (b) & Q2 (c)
2 (b)
What is an earthquake? What are the causes of earthquakes? Describe in brief the types of earthquake waves.
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2 (c)
How is geology related to civil engineering? Discuss the scope of application of geological knowledge in the planning and execution of engineering works.
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Answer any two question from Q3 (a), (b) & Q3 (c), (d)
3 (a)
Define the following terms: (i) water content (ii) void ratio (iii) porosity (iv) Unit weight of solids (v) Air content (vi) Bulk Unit weight (vii)Specific gravity
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3 (b)
Discus in brief the importance of study of geology for a civil engineer.
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3 (c)
A soil sample has a liquid limit of 30%, plastic limit 17% and flow index of 13%.Natural water content of soil is 19%. Determine: (i) plasticity index (ii) liquidity index (iii) consistency index (iv) Toughness index
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3 (d)
Define laws of stratigraphy.
7 M
Answer any two question from Q4 (a), (b) & Q4 (c), (b)
4 (a)
Enlist the various methods of water content determine and explain oven drying method.
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4 (b)
Define the terms: (i) permeability (ii) seepage (iii) coefficient of
Permeability (iv) Darcy's law (v) flow net (vi) Discharge velocity (vii) Hydraulic gradient (i)
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4 (c)
Define a mineral describe in brief the various physical properties of minerals which help in their identification.
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4 (d)
Explain grain size distribution by sieve analysis.
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5 (a)
What are faults? How they are classified? Illustrate with neat and suitable diagram.
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Answer any two question from Q5(a), (b) & Q5 (c), (d)
5 (b)
What is texture of the soil?
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5 (c)
What are the purposes of the soil classification?
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5 (d)
Write short notes on the following: (i) water table and perched water table (ii) confined aquifer and unconfined aquifer
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