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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