101 Construction Materials Chapter Wise McQ Test of 25 Question #7 Construction Materials Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. Moh scale gives A. hardness of rock B. hardness of minerals C. strength of minerals D. toughness of minerals 2 / 25 2. Softest mineral is A. Diamond B. Quartz C. calcite D. talc 3 / 25 3. Softest rock is A. Marble B. Talc C. Diamond D. None of above 4 / 25 4. The softest rock is A. marble B. diamond C. talc D. quartz 5 / 25 5. Hardest mineral is A. Diamond B. Quartz C. calcite D. talc 6 / 25 6. Hardest rock A. Marble B. Talc C. Diamond D. quartz 7 / 25 7. On Moh’s scale a scratch with the aid of a finger nail indicate a hardness of A. 1 B. 2 C. 3 D. 4 8 / 25 8. Which of the following is a mineral? A. basalt B. granite C. quartz D. syenite 9 / 25 9. Which of the following is a rock? A. quartz B. mica C. gypsum D. none of the above 10 / 25 10. Pick up the polymineralic rock from the following: A. quartz sand B. pure gypsum C. magnesite D. granite 11 / 25 11. Pick up the monomineralic rock from the following A. Quartz B. Magnesite C. Pure gypsum D. Granite 12 / 25 12. Specific gravity for most of the building stone should lie between A. 1.5 to 2.0 B. 2.0 to 2.5 C. 2.4 to 3.0 D. 3.0 to 3.5 13 / 25 13. Most of stones posses that specific gravity in the range of A. 1 to 1.5 B. 1.5 to 2.0 C. 2.4 to 2.8 D. 3 to 4 14 / 25 14. Specific gravity for most of the ordinary building stone should be more than A. 1.5 B. 2.0 C. 2.4 D. 3.0 15 / 25 15. For a good building stone, its specific gravity should the greater than A. 1.5 B. 1.7 C. 2.2 D. 2.7 16 / 25 16. For a good building stone, its specific gravity should be A. >2.7 B. <2.7 C. >4 D. <4 17 / 25 17. The mineral found in rocks are A. Quartz B. Feldspar C. Mica D. All of the above 18 / 25 18. Good stone contains soluble salt not more than A. 5% B. 10% C. 15 % D. 0 % 19 / 25 19. The commonly used raw in manufacture of cement is A. slate B. sand stone C. lime stone D. basalt 20 / 25 20. Ingredients in cement as there decreasing order of their presence in cement is A. oxides, alumina, silica, lime B. Lime, silica, oxides, alumina C. Lime, silica, alumina, oxides D. lime, alumina, silica, oxides 21 / 25 21. For the manufacture of Portland cement, the proportions of raw materials used, are A. lime 63% ; silica 22% ; other ingredients 15% B. lime 22% ; silica 63% ; other ingredients 15% C. silica 40% ; lime 40% ; other ingredients 20% D. silica 70% ; lime 20% ; other ingredients 10% 22 / 25 22. Lime (CaO) content in ordinary Portland cement is A. 59 to 64% B. 3 to 6% C. 19 to 24% D. 1 to 4% 23 / 25 23. Which chemical composition has highest content in OPC? A. Alumina B. Silica C. Lime D. Iron Oxide 24 / 25 24. Maximum percentage of …………. Is available in cement A. Silica B. Lime C. Alumina D. Iron oxide 25 / 25 25. What is chief ingredient of cement? A. Lime (Calcium Oxide) B. Silica C. Alumina D. Iron oxide Your score is The average score is 68% 0% Restart quiz Exit civil engineerconstruction materialsmcq civilmock testnecpscupsc
