GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-III (NEW) EXAMINATION — SUMMER 2019
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Subject Code: 2132201 Date: 11/06/2019
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) Explain the socioeconomic impact of mining industry. 03
(b) Discuss the advantages of surface mining over underground mining 04
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(c) Describe the principle and methods of mineral prospecting in brief. 07
Q.2 (a) Discuss the importance of core recovery. 03
(b) Explain blasting practices of surface and underground blasting. 04
(c) Discuss the various mineral resources of Gujarat and India. 07
OR
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(c) Define drilling. Differentiate between rotary and percussive drilling. 07
Q.3 (a) Explain the history of mining industry. 03
(b) Describe the general concepts of mine development. 04
(c) Explain the effects of mining on surface environment. Write a note on health and safety in mines. 07
OR
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Q.3 (a) Discuss the significance of mining industry. 03
(b) Define the following terms: Stripping Ratio, Mineral, Rock and Ore 04
(c) What is explosive? Explain the various properties of explosive. 07
Q.4 (a) Explain deflection of borehole with sketch. 03
(b) Write a note on unit operations of loading and transportation. 04
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(c) List out different loading equipment. Explain any one with neat sketch. 07
OR
Q.4 (a) Discuss the difficulties faces during boring. 03
(b) Differentiate between high explosive and low explosive. 04
(c) List out the various transportation equipments used in mines. Explain any one with neat sketch. 07
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Q.5 (a) Write a note on drill ability of rocks. 03
(b) Describe various mining methods for coal and non-coal deposits. 04
(c) Define boring. Explain interpretation of borehole data. 07
OR
Q.5 (a) Write a note on trenching and pitting. 03
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(b) Discuss the various applications of transporting equipment. 04
(c) List out various types of drills. Explain the process of diamond drilling with neat sketch. 07
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