GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VI (New) EXAMINATION - WINTER 2019
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| Enrolment No. | Date: 13/12/2019 |
| Subject Code: 2162201 | |
| Subject Name: Ecology Geology-I | |
| 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.
| Q.1 (a) Give the signification of clay minerals in ceramic industry. | MARKS 03 |
| (b) How is classification of minerals done as per the deposit forming process? | 04 |
| (c) Describe origin of hydrothermal deposits and it various forms. | 07 |
| Q.2 (a) Describe Gold deposits of India. | 03 |
| (b) How are rocks forming minerals different from economic minerals? | 04 |
| (c) Explain about minerals used in chemical fertilizers. | 07 |
| OR | |
| (c) What are metallic minerals, non-metallic minerals and mineral fuel? Explain each with examples and its uses. | 07 |
| Q.3 (a) Write a short note on Cement industry of Gujarat. | 03 |
| (b) Give mode of occurrence and genesis of Silver and Zinc metallic deposits. | 04 |
| (c) Describe the relation between volcanogenic process and economic mineral deposits. | 07 |
| OR | |
| Q.3 (a) Explain importance of stock works in cavity filling deposits? | 03 |
| (b) Describe the nature and quality of the raw materials that are suitable for the glass and the paint industry. | 04 |
| (c) Discuss briefly the various processes of formation of mineral deposits in nature. Add note on importance of minerals in national economy | 07 |
| Q.4 (a) Write about chromium deposits of India. | 03 |
| (b) Write Bateman’s scheme of classification of mineral deposits. | 04 |
| (c) What are the different economic deposits associated with acidic and basic rocks? | 07 |
| OR | |
| Q.4 (a) Describe about placer deposits. | 03 |
| (b) Explain refractory minerals. | 04 |
| (c) Write a short note on Xenothermal deposits | 07 |
| Q.5 (a) Describe about magmatic deposits. | 03 |
| (b) Describe characteristics and economic importance of skarn deposits. | 04 |
| (c) Explain mesothermal and epithermal deposits | 07 |
| OR | |
| Q.5 (a) Discuss how the rock forming minerals are different from economic minerals. | 03 |
| (b) Which are important gemstones? Explain the origin and mode of occurrence of Diamond in India. | 04 |
| (c) Describe classification of coal deposits and mention percentage of carbon within them. | 07 |
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