GTU BE 2019 Summer Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019
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Subject Code:2172208
Subject Name:Mine Planning
Date:10/05/2019
Time:02:30 PM TO 05:00 PM
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) Brief discuss role of planning in mining ventures. | MARKS | 03 |
|---|---|---|---|
| (b) Write a note on reserve estimation of ore | 04 | ||
| (c) How mine planning is done? Describe its components in detail. | 07 | ||
| Q.2 | (a) Explain the term ore reserves | 03 | |
| (b) Write a note on cut of grade. | 04 | ||
| (c) Explain grade tonnage curve. How it is computed? | 07 | ||
| OR | |||
| (a) Explain in detail various method of ore reserve estimation. | 07 | ||
| Q.3 | (a) Explain the term (i) bench height (i) bench width (iii) slope angle | 03 | |
| (b) What are the necessary planning steps in surface mining? | 04 | ||
| (c) Explain the haul road design and its importance in mine. | 07 | ||
| OR | |||
| (a) Write a note on mining program | 03 | ||
| (b) What are the parameters affecting on haul road design? | 04 | ||
| (c) Determine the mine size and explain taylor’s mine life rule. | 07 | ||
| Q.4 | (a) What is berm? explain it with neat sketch | 03 | |
| (b) What are the various economical considerations in the optimization of mine design? | 04 | ||
| (c) Explain the planning and scheduling of production for opencast mine. | 07 | ||
| OR | |||
| (a) Explain: Mining system and subsystem | 03 | ||
| (b) Explain: (1) stripping ratio (ii) optimal geometrical size of mine. | 04 | ||
| (c) What do you mean by mining losses? How it is calculated? | 07 | ||
| Q.5 | (a) What is mine closure? | 03 | |
| (b) Write the advantages and disadvantages of mine closure | 04 | ||
| (c) Write down the different stages of mine closure plan. | 07 | ||
| OR | |||
| (a) List functions are required for preparation of detail project report? | 03 | ||
| (b) What are the purposes of feasibility report? | 04 | ||
| (c) What are the points are to be considered for the preparation of feasibility report? Explain in brief all points. | 07 | ||
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