GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
Subject Code: 2182202
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VIII (NEW) EXAMINATION — WINTER 2018
Subject Name: Advance Mining Methods
Time: 02:30 PM TO 05:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q. | MARKS | |
|---|---|---|
| Q.1 | (a) Discuss the components of powered support. | 03 |
| (b) Discuss the factors affecting choice of thick seam mining method. | 04 | |
| (c) What do you mean by hydraulic mining? Explain layout of hydraulic mining with neat sketch. | 07 | |
| Q.2 | (a) Explain general consideration before adopting horizon mining. | 03 |
| (b) Discuss about latest development in powered support system. | 04 | |
| (c) Describe principles of operation and design of power support with neat sketch. OR Explain support system of longwall faces and depillaring. | 07 | |
| Q.3 | (a) What are the future scopes in underground coal gasification? | 07 |
| (b) Discuss the application of powered support for wide excavation. | 03 | |
| (c) What do you mean by underground coal gasification? Explain factors affecting underground coal gasification. --- Content provided by FirstRanker.com --- ORDiscuss the suitable conditions for selection’ of hydraulic mining in brief. | 04 | |
| Q.4 | (a) Write advantages and disadvantages of underground coal gasification. | 07 |
| (b) Explain deep-sea mining for manganese nodules. | 03 | |
| (c) Explain selection of powered support used in underground mining. | 04 | |
| QS5 | (a) Describe the constructional features and application of power support. | 07 |
| (b) Explain horizon mining with neat sketch. OR Write a note on ore-mining by leaching. | 03 | |
| (c) Explain various equipment used in thin seam extraction. | 04 | |
| QS5 | (a) Discuss the different application, merits and demerits of horizon mining. | 07 |
| (b) Describe basic concepts of underwater mining. | 03 | |
| (c) Explain thick seam mine working in brief. | 04 | |
| (a) Explain the principle and operation of hydraulic mining with neat sketch. OR --- Content provided by FirstRanker.com --- List out various methods used in thin seam extraction. | 07 | |
| (b) Explain methods of mining for radioactive minerals. | 03 | |
| (c) Explain the principle and operation of horizon mining with neat sketch. | 04 |
Date: 29/11/2018
Total Marks: 70
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