JNTU
JNTU B.Tech III INTRODUCTION TO MINING TECHNOLOGY Previous Question Paper (November/December – 2018 - R16)
Part A is compulsory. Part B consists of 5 Units. Answer any one full question from each unit.
Part A
What is mineral deposit?
Answer
A mineral deposit is a natural concentration of one or more minerals in the Earth's crust that can be economically extracted and processed for industrial or commercial use.
List the country wise distribution of minerals in India.
Answer
India possesses significant mineral wealth distributed across various states: Odisha (iron ore, manganese, chromite), Jharkhand (coal, iron ore, copper), Chhattisgarh (iron ore, coal), Rajasthan (lead, zinc, copper, limestone), and Karnataka (gold, iron ore).
What is an EXPLORATION?
Answer
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What are various surface mining methods?
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Write a note on drill bit?
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Mention different types of drills.
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Write a note on Rock breaking mechanism?
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What is an Explosion?
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What is cementation in shaft sinking?
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Define mine support.
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Part B
Briefly explain about distribution of mineral deposits in India.
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Elaborate on the contribution of mining activity in the cause of human civilization.
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Briefly explain about distribution of mineral deposits in newly formed state Telangana.
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Give a note on different access to mineral deposits.
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Differentiate between underground and surface mining methods.
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Explain various stages in a life of a mine.
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Contrast the terms development, exploitation and reclamation of mines.
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Explain the types of drilling methods used in underground mining.
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Explain about the unit operations of drilling in underground mines.
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Explain any two of the following:
- Jumbo drills with a neat sketch
- Drilling rigs
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Write a note on the mining acts related to explosives.
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Define the following the terms: mis fires and shot holes.
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Give a note on devices and accessories used during blasting operation.
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Write about the rock blasting mechanism.
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Give a note on shaft lining.
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What are the precautions to be followed during sinking a shaft?
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Explain the factors affecting the site selection for shaft sinking.
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