JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech II MINING GEOLOGY Previous Question Paper (December - 2018 - R15)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
Define Shear strength of a rock.
Answer
Shear strength of a rock is its internal resistance to structural failure when subjected to shear stress, defined as the maximum shear stress the rock can withstand before sliding or fracturing along a plane.
What is the difference between a rock and soil?
Answer
Rock is a hard, coherent, and naturally occurring aggregate of minerals that requires blasting or heavy mechanical force to excavate. Soil is an unconsolidated, loose accumulation of mineral particles and organic matter that can be excavated using standard earth-moving equipment without blasting.
Define ore and gangue.
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What is the main various type of coal in India?
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List out some major mineral occurs in India.
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Define Fissure-veins and Ladder veins in hydrothermal deposits.
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Describe the main objectives of geological investigations in engineering projects.
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What are the methods are used in mineral exploration?
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Discuss the merits of faulted and unfaulted rocks at tunnel.
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What are the factors controlling tunneling?
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Part B
Enumerate important types of engineering uses of rocks and discuss them in details.
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Explain physical properties of rocks in Mining engineering.
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Differentiate residual soil and transported soil, and enumerate the various common soils found in general and engineering use.
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Define and explain the following: i) alluvial deposit ii) how do weathering converts the rock into soil iii) black cotton soil.
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Explain Bowen’s reaction series in sub alkaline rocks.
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Explain briefly formation of economic mineral deposits of igneous origin.
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Define source rock? Explain the process and formation of hydrocarbon resources.
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Describe the process of formation of coal and mention the coal deposits in India.
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Write origin, environment and distribution of following minerals of India i) Asbestos ii) Gypsum.
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Write an essay on major mineral deposits of India.
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Write origin and distribution of following minerals in India: i) Mica ii) Magnetite
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Define mineral? List out distribution of some important minor minerals.
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Distinguish between Geological, geophysical and geochemical exploration method.
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Explain geochemical method of exploration in mineral deposits.
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Describe the electric resistivity method in exploration of mineral deposits.
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Describe briefly the geological considerations in tunneling.
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Write difficulties encountered in soft ground tunneling.
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Explain geology of some well known Indian tunnels.
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Discuss the method of tunneling in hard rocks, how folds and faults in these rocks affects in tunneling?
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