JNTU
JNTU B.Tech III INTRODUCTION TO MINING TECHNOLOGY Previous Question Paper (March - 2024 - R16)
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
Define the term “Mining”.
Answer
Mining is the process of extracting valuable minerals or other geological materials from the earth, usually from an ore body, lode, vein, seam, or reef, which forms the mineralized package of economic interest to the miner.
State the history of mining.
Answer
Mining history began in the Paleolithic era with the extraction of flint for tools. It progressed through the Bronze and Iron Ages as civilizations learned to smelt ores. The Industrial Revolution significantly advanced mining through mechanization, and modern mining now utilizes sophisticated technology, automation, and sustainable practices for large-scale resource extraction.
Define the term “prospecting”.
Answer
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List out surface mining methods.
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State various factors affecting bit life.
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Give the broad classification of drilling methods.
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Define the term “Explosives”.
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List the classification of the permitted explosives.
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List the different stages of shaft sinking.
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List the various methods of permanent supporting of the shaft sides.
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Part B
Elaborate on contribution of Mining activity in the cause of human civilization.
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Compare underground mining vs opencast mining.
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List of minerals and mineral Industries in India.
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State the contribution of mining to National economy.
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Write the advantages and dis-advantages of incline over the shaft.
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State the various forms of Surface mining methods.
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What are the factors to be considered in choosing the mine Openings i.e., Shaft or Incline?
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Explain the terms i) Exploration ii) Reclamation
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Differentiate between Pneumatic, electric and hydraulic drills.
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Describe the main functional components of Drilling system.
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Describe various type of drill bits used.
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Explain the method of selection of drilling system for exploratory activities.
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Describe the safety fuse.
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Explain the handling and storage, transportation of explosives.
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State the mechanism of Blasting.
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State the composition of different detonators.
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Explain the temporary lining of Shaft sinking.
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Discuss briefly about when unstable strata around the shaft while sinking which method of Sinking is applied.
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Specify the preparatory arrangements required before commencement of shaft sinking operations.
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State the Ventilation arrangement for shaft sinking.
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