Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech IV DEEP SEAM MINING Previous Question Paper (July - 2019 - 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.
Part A
Answer all questions.
What is meant by exploration?
Answer
Exploration is the systematic process of searching for, identifying, and evaluating mineral deposits to determine their location, size, quality, and economic viability for mining.
What do you understand by Deep seam?
Answer
A deep seam refers to a coal or mineral seam located at a significant depth below the surface, typically requiring specialized underground mining methods due to increased rock pressure, higher geothermal gradients, and complex ventilation and support requirements.
Define Productivity.
Answer
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What is back filling?
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How do you calculate Tributary area?
Answer
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Define a Panel.
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What is Ground control?
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What is Surpac?
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Define the term Mineral Bio technology
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What is In-situ theory?
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Part B
What are the techniques used for mineral exploration? Explain one technique.
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Give the classification of coal deposited in typical geo-mining conditions.
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What are the problems faced to improve productivity from deep seated deposits?
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What are the problems faced during Liquidation of Locked up pillars?
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What are the methods used for development of deep seam deposits?
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What are the problems faced during backfilling/supporting of deep seam deposits?
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What are the applications of Numerical modeling?
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List the software’s used in ground control. Explain one.
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What do you understand by Mine Ground Control in mines? Explain.
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What are the techniques used for ground control in deep seated deposits?
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