98 Construction Materials Chapter Wise McQ Test of 25 Question #6 Construction Materials Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. Dirty materials in stone is found by A. smith test B. brard test C. acid test D. attrition test 2 / 25 2. Smith’s test of stones is performed to find out A. the presence of soluble matter of stone B. the compressive strength of the stone C. the hardness of the stone D. the toughness of the stone 3 / 25 3. Smith test is performed on stones for determining A. Specific gravity B. Hardness C. Water absorption D. Soluble and clayey water 4 / 25 4. Brard’s test is done for finding the ……… of stone. A. Frost resistance B. Dirty matter C. Weather resistance D. All of the above 5 / 25 5. Attrition test on stone is done to find out A. Compressive strength B. Hardness C. Rate of wear D. toughness 6 / 25 6. The compressive strength of stone is found out by A. Attrition test B. Crushing test C. Hardness test D. Impact test 7 / 25 7. Dorry’s testing machine is used for A. crushing test of stone B. hardness test of stone C. impact test of stone D. water absorption test 8 / 25 8. The important test to be conducted on a stone used in docks and harbours is A. hardness test B. workability test C. weight test D. tightness test 9 / 25 9. Property of good stone is A. attractive appearance B. less water absorption C. fineness of grain D. all of the above 10 / 25 10. Good quality stones must A. be durable B. be free from clay C. resist action of acids D. all of the above 11 / 25 11. A building stone should have A. Strength B. Good appearance and colour C. Resistance to fire D. All of the above 12 / 25 12. Good building stone should have water absorption more than …….. in 24 hour A. 5% by its weight B. 5% by its volume C. 10% by its weight D. 10% by its volume 13 / 25 13. A good quality stone absorbs water less than A. 5% B. 10% C. 15% D. 20% 14 / 25 14. Good quality stone must absorb water less than A. 2.5% B. 5% C. 10% D. 20% 15 / 25 15. A stone is rejected if the water absorption is more than A. 10% B. 20% C. 25% D. 30% 16 / 25 16. The moisture absorption of a good stone should be less than: A. 1% B. 5% C. 10% D. 15% 17 / 25 17. The coefficient of hardness of stones used in road work should be greater than A. 10 B. 12 C. 15 D. 17 18 / 25 18. Crushing strength of building should not be less than A. 10 kg/cm² B. 100 kg/cm² C. 1000 kg/cm² D. 10000 kg/cm² 19 / 25 19. Crushing strength of a good building stone should be more than A. 50 MPa B. 100 MPa C. 150 MPa D. 200 MPa 20 / 25 20. The stone that exhibit highest compressive strength is A. Slate B. Gneiss C. Lime stone D. Granite 21 / 25 21. Which of the following has highest crushing strength A. Lime stone B. Granite C. Gneiss D. laterite 22 / 25 22. Durability of building stone is affected by its A. chemical composition B. texture C. resistance to atmosphere D. all of the above 23 / 25 23. Which of the following is a good fire-resistant stone? A. clay B. granite C. quartz D. limestone 24 / 25 24. Which of the following is common rock forming mineral? A. silica B. feldspar C. mica D. all of the above 25 / 25 25. Color of mineral in its powder form is A. streak B. texture C. luxture D. appearance Your score is The average score is 70% 0% Restart quiz Exit civil engineerconstruction materialsmcqcivilmock testnecpscupsc