Construction Materials Online Test – Paper 2

1. *The ingredient which gives the desired color to a paint is called

2. *Due to the attack of dry rot, the timber

3. *The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as

4. A mortar prepared by mixing wood powder or sawdust to the cement or lime mortar is known as

5. *In one day, the height of brick masonry construction should generally not exceed

6. *Lime concrete is used in

7. Pick up the air-entraining agent from the following

8. *Conglomerate is a

9. *Quartzite is a

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

11. Which of the following is a rock?

12. *The main constituent of varnish is

13. The types of bricks used for the lining of the furnace/combustion chamber are

14. Which category does the sandstone belong to?

15. The silicious and aluminous minerals themselves, which do not have cementitious qualities but which react with lime in the presence of water at normal temperature to form cementitious compounds, are known as

16. The red color of the brick is due to

17. *Distemper is used on

18. The advantage of adding pozzolana to lime is

19. The paints with white lead base are suitable for the painting of

20. Quarry sap is found in

21. The physical classification divides the rocks into

22. *The defects in wood due to hardening is

23. *The varnish is essentially made of

24. *Elastomers can extend up to

25. The paint which has high reflective property is:

26. *Rubberization temperature is

27. The trees yielding hard wood is

28. *Slate stone is a

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

30. Good quality building stones should not contain soluble salts more than