Construction Materials Online Test – Paper 1

1. A dry powder obtained on treating quick lime with just enough water to satisfy its chemical affinity for water under the condition of its hydration is called

2. The quick lime as it comes from kilns is called

3. *Lime concrete is used in

4. As compared to fat lime, the hydraulic lime sets

5. Very strong lime mortar is obtained from

6. *The paints used in aircraft are

7. *The painting work is generally specified by

8. *The function of paint is

9. *The paint which gives illumination during the night is called

10. *Duco is the trade name for

11. *Shingle is

12. Common sand is a variety of

13. Granite contains primarily

14. The minimum hardness number for marble is about

15. Trap is a

16. The strength of cement is reduced by.......after 6 months

17. The strength of cement up to three months

18. *Cement is said to be of good if

19. *The commonly used raw material in the manufacture of cement is

20. Gypsum is added to cement for reducing the fast reacting property of