JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech II Year ENGINEERING GEOLOGY Previous Question Paper (April/May - 2023 - R18)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
PART A
Explain the importance of petrology in civil engineering.
Answer
Petrology is essential in civil engineering for evaluating the suitability of rocks as construction materials. It helps determine the strength, durability, and weathering resistance of stones used in foundations, road aggregates, concrete, and building facades.
Present the importance of geology from Civil Engineering point of view.
Answer
Geology provides critical data for site selection and structural safety. It helps in understanding the distribution of rock types, structural features like faults and folds, and groundwater conditions, which are vital for the design and stability of dams, tunnels, bridges, and highways.
Write the form of given minerals: i) Kyanite ii) Asbestos.
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State and explain Dykes and sills with diagrammatically.
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Define mural joints with neat sketches.
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Write short note on bearing capacity of soils.
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What are the main objectives of geological investigations for most engineering projects?
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Explain briefly causes and effects of earthquakes.
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What do you understand by a dam disaster?
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Briefly explain embankment dams and types.
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PART B
Explain the brief study of case histories of failure of some Civil Engineering constructions due to geological drawbacks.
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What do you mean by frost action in weathering? Describe the processes of mechanical weathering in a rock.
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Describe the concept of internal structure of the earth.
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Enumerate with the help of neat sketches, the process of erosion as performed by glaciers and their features.
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Classify various mineral fractures? Discuss the different types of fractures associated with minerals.
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Enumerate the common structures and textures of igneous rocks with neat diagrams.
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Present briefly concordant bodies, discuss various important concordant forms with neat diagram.
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Describe the physical properties of following common rock forming minerals: i) Feldsper, ii) Quartz.
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Describe the parts of folds and classify geological structures associating with the rocks such as folds.
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Briefly present the common types of soils, their origin and occurrence in India.
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Present briefly Geological controls of Ground Water Movement.
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What is Cone of depression? Write short note on hydrological cycle.
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Define resistivity, and explain Special importance of Electrical resistivity methods.
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Describe the principles of geophysical study by Gravity methods and its applications.
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Demonstrate the causes and effects of landslides, mention measures to be taken to prevent their occurrence at Landslides.
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Present briefly Richter scale intensity, which Precautions taken for building constructions in seismic areas.
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Summarize the purpose of tunnels and how influence of geology for successful tunneling.
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Classify various types of dams and bearing of Geology of site in their selection.
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Explain with examples which factors contributing to the success of a reservoir.
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Analyze geological considerations in the selection of a Dam site and Life of Reservoirs.
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