Download GTU B.Tech 2020 Winter 7th Sem 2172208 Mine Planning Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

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BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020

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Subject Code:2172208 Date:19/01/2021

Subject Name:Mine Planning

Time:10:30 AM TO 12:30 PM Total Marks: 56

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Instructions:

1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

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1. Define the following term: Bench Height, Bench Width and Stripping Ratio. (Marks 03)
2. What do you mean by mine planning? Discuss the role of mine planning. (Marks 04)
3. Discuss the role of feasibility report for metallic and non-metallic minerals. (Marks 07)

Q.2

1. Discuss the advantages and amendments in mine closure planning. (Marks 03)

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2. Describe factors affecting to planning and designing of a surface mine. (Marks 04)
3. Define mine planning and design. Explain the components of mine planning in brief. (Marks 07)

Q.3

1. Describe parameter affecting design of haul road. (Marks 03)
2. Explain the determination of mine size and Taylors mine life rule. (Marks 04)

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3. Explain the role of planning and scheduling of production in underground mines. (Marks 07)

Q.4

1. Discuss the importance of haul road in opencast mines. (Marks 03)
2. Explain the role of geometrical size of a mine in underground mining. (Marks 04)
3. Explain the role of bench geometry and minelayouts in surface mines. (Marks 07)

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Q.5

1. Write a short note on ultimate pit configuration. (Marks 03)
2. Define reserve estimation. Explain different techniques for reserve estimation. (Marks 04)
3. Define cut off grade. Explain how it is determined. (Marks 07)

Q.6

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1. Define the mining losses. Explain how it is affecting life of mine. (Marks 03)
2. Define Reserve. Explain various types of reserve. (Marks 04)
3. What do you mean by grade tonnage curve? Explain their computation. (Marks 07)

Q.7

1. Differentiate between geological reserve and mineable reserve. (Marks 03)

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2. Define term life of mine. Submit three common mathematical expressions to calculate the same. (Marks 04)
3. Explain the various legal aspects of mine closure planning. (Marks 07)

Q.8

1. Discuss the mining system and sub-system in underground mines. (Marks 03)
2. Discuss the various economic considerations for optimization of mine design. (Marks 04)

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3. As a Mining engineers prepare a detailed project report of any mines you have visited. (Marks 07)

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