GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- III (New) EXAMINATION — WINTER 2019
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Subject Code: 3132201 Date: 30/11/2019
Subject Name: Introduction to Mining
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Marks | |
| Q.1 (a) What is mineral? List of mineral resources available in Gujarat. | 03 |
| (b) Explain: Various stages of mining | 04 |
| (c) Give a comparison between underground and surface mining. | 07 |
| Q.2 (a) Which are the difficulties take place during boring? | 03 |
| (b) Describe the directional drilling. | 04 |
| (c) Explain with neat sketch principles of boring. | 07 |
| OR | |
| (c) Explain in details with sketch : Core recovery | 07 |
| Q.3 (a) What is Explosive? How it will helps in mining? | 03 |
| (b) Explain the basic concept of blasting. | 04 |
| (c) Explain in brief all types of explosives with its applicability. | 07 |
| OR | |
| Q.3 (a) Describe the detonator with its types and applicability. | 03 |
| (b) Explain : Blasting accessories | 04 |
| (c) Explain in brief all properties of explosive. | 07 |
| Q.4 (a) List out the loading equipment used in opencast mines. | 03 |
| (b) Write a short note on mine closure | 04 |
| (c) Explain any one loading equipment used in opencast mining with neat sketch and brief specifications. | 07 |
| OR | |
| Q.4 (a) List out the transportation equipment used in underground mining. | 03 |
| (b) List out the transportation equipment used in surface mining. | 04 |
| (c) Explain anyone loading equipment used in underground mining with neat sketch and brief specifications. | 07 |
| Q.5 (a) Describe in brief : Selection of drill bits | 03 |
| (b) Write a short note on bore hole logging | 04 |
| (c) Explain any one loading equipment used in underground mining with neat sketch and brief specifications. | 07 |
| OR | |
| Q.5 (a) Explain : Drillability of the rock | 03 |
| (b) How to interpret the bore hole data? | 04 |
| (c) Explain any one loading equipment used in underground mining with neat sketch and brief specifications. | 07 |
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