GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Enrolment No.
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VIII (New) EXAMINATION - WINTER 2019
Subject Code: 2182203 Date: 21/11/2019
Subject Name: Mining & Processing of Dimensional Stone
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.
| MARKS | ||
|---|---|---|
| Q.1 | (a) Explain the working of chain saw machine with figure | 03 |
| (b) Explain Geological & physio-mechanical properties of dimensional stone. | 04 | |
| (c) Explain various conventional mining methods of sand stone mineral | 07 | |
| Q.2 | (a) Differentiate the bench geometry of dimensional stone mine and open cast metal mine. | 03 |
| (b) Describe environmental impact of mining and processing of dimensional stones. | 04 | |
| (c) Explain various types of polishing machine. | 07 | |
| OR | ||
| (c) Explain various criteria for selection of dimensional stone deposit. | 07 | |
| Q.3 | (a) Explain the method of determining rock quality designation. | 03 |
| (b) What are the various secondary uses of quarry & industry waste of marble & lime stone? | 04 | |
| (c) Explain allotment procedure of lease and other legal aspects for marble & limestone mineral. | 07 | |
| OR | ||
| Q.3 | (a) Write a short note on Marble deposit in Gujarat. | 03 |
| (b) Write short note on : Abrasive properties of dimensional stone | 04 | |
| (c) Advantages of using of cranes / hydraulic excavators for marble & granite mining. | 07 | |
| Q.4 | (a) Describe the various classification of marble. | 03 |
| (b) Describe working of derrick crane machine with its sketch. | 04 | |
| (c) List out machinery used for dimensional stone mining and processing. Which are the factors to be considered while selecting it? | 07 | |
| OR | ||
| Q.4 | (a) Write various prevailing uses of stones. | 03 |
| (b) Write short note on automatic tiling plant. | 04 | |
| (c) Advantages and disadvantages of flame jet cutting method used for Dimensional stone mining. | 07 | |
| Q.5 | (a) What is the importance of Exploration? | 03 |
| (b) Explain blasting method used for dimensional stone mining. | 04 | |
| (c) Describe gang saw with diagram. | 07 | |
| OR | ||
| Q.5 | (a) Define: Dimensional Stone also write their examples. | 03 |
| (b) Describe Wire saw with diagram. | 04 | |
| (c) Resources of limestone deposits in India and Gujarat. | 07 |
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