Home/Volume-1/Mining Geology – 1 Volume-1 Mining Geology – 1 Admin02/08/20242 192 Less than a minute Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% Mining Geology Minerals, Rocks, Rock Structures Mining Geology - 1 1 / 27 1. The streak of graphite is? Black Cherry red Green None 2 / 27 2. Garnet crystalline system is? Isometric Orthorhombic Hexagonal Tetragonal 3 / 27 3. If the coal size is 25mm to 50 mm then it is called? Steam coal Rubble coal Slack coal None 4 / 27 4. The metamorphic form of sandstone is? Quartzite Slate Marble Talc 5 / 27 5. Rank of the coal is? Wood; peat; lignite; bituminous coal; anthracite Anthracite; lignite; bituminous; wood; peat Wood; peat; lignite; anthracite; bituminous None 6 / 27 6. The metamorphic form of shale is? Quartzite Slate Marble Talc 7 / 27 7. The calorific value of the lignite....kcal/kg? 2000 2400 3000 3500 8 / 27 8. The specific gravity of anthracite coal is? 1.2 1.5 2 2.5 9 / 27 9. The streak of hematite is? Black Cherry red Green None 10 / 27 10. The metamorphic form of dolomite is? Quartzite Slate Marble Talc 11 / 27 11. The process of decay, disintegration, and decomposition of rocks under the influence of certain physical and chemical agencies of the atmosphere is? Weathering Erosion Denudation Sedimentation 12 / 27 12. The folds which are characterized with a downward warping of strata and the curvature becomes upwards is? Anticlines Symmetric fold Overturned fold Synclines 13 / 27 13. The metamorphic form of basalt is? Amphibole Schist Marble Talc 14 / 27 14. Protodyaknov strength number of gabbro is? 10-May 15-Oct 0 - 5 20 - 25 15 / 27 15. Silica in the form of very resistant mineral quartz is the dominant mineral constituent of? Conglomerate Limestone Dolomite Sandstone 16 / 27 16. The metamorphic form of orthoclase is? Schist Gneiss China clay Talc 17 / 27 17. The metamorphic form of limestone is? Quartzite Slate Marble Talc 18 / 27 18. The core of earth consists of? Manganese Nickel and iron Magnesium Sulphur 19 / 27 19. Hornblende belongs to the group of? Mica Amphibole Pyroxene Feldspar 20 / 27 20. The metamorphic form of slate is? Quartzite Schist Marble Talc 21 / 27 21. The augite belongs to? Amphibole Pegmatite Pyroxene None 22 / 27 22. The specific gravity of lignite coal is? 1.2 1.5 2 2.5 23 / 27 23. Olivine belongs to? Amphibole Pegmatite Pyroxene Peridot 24 / 27 24. The metamorphic form of granite is? Quartzite Slate Talc Gneiss 25 / 27 25. Leaching of ore components and their subsequent concentration at lower depths is known as? Placer deposition Secondary enrichment Hypothermal deposition Sedimentary deposition 26 / 27 26. Bord and pillar method mining of working coal seams is applicable in? Geologically disturbed coal seams Gassy seams Seams at depth Seams exposed to surface 27 / 27 27. Proximate analysis of coal gives? % of elements present % of ash; volatile matter etc Thermal value of coal None Your score is The average score is 60% LinkedIn Facebook Twitter 0% Admin02/08/20242 192 Less than a minute
Awesome experience thank you so much🙏🏻🙏🏻
Welcome