Construction Materials Online Test – Paper 3

1. *Spalling hammer is used for

2. *The pigment commonly used in the manufacture of cement is

3. The ingredient of the brick earth which enables the brick to retain its shape is

4. The building stone used for bridge piers and columns is

5. The main function of alumina in brick earth is

6. The process of kneading clay, water, and other ingredients to make a brick is called

7. *The type of paint whose main constituent is white or colored cement and is used to protect plastered surfaces, brickwork, masonry in damp places is called

8. Knots in timber are

9. *Seasoning of timber is essential to remove

10. *First-class timber has an average life of

11. *Duco is the trade name for

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

13. Excess of alumina in a brick earth causes

14. *Lacquer is

15. *Which constituent is the best cementing material in cement?

16. *Conglomerate is a

17. Portland cement manufactured from pure white chalk and clay but free from iron oxide is known as

18. Basalt can be classified as

19. A pug mill is used for

20. *The sports goods are made from

21. *The trunk of the tree left after cutting all the branches is known as

22. *Bronze is an alloy of

23. Identify the process responsible for the formation of sedimentary rocks

24. *Stainless steel resists corrosion due to

25. *The pigment in paints gives

26. *Extenders used in paints are for

27. Based on its dry weight, a freshly felled tree may contain water

28. The insoluble residues in good cement should be

29. *The setting and hardening of cement after the addition of water occur due to

30. Material generally not used as an extender in paints is

31. Sandstone contains mostly

32. *The number of standard bricks required for one cubic meter of brick masonry (IS standard) is

33. *Granites are a type of

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

35. The dry process of manufacturing cement has become obsolete because, in comparison to the wet process

36. A prime coat is given to steelwork

37. *When water is added to cement, the cement hydrates, and chemical reactions take place while cement is setting, an increase in temperature occurs, and a considerable quantity of heat is generated. This phenomenon is called

38. Plywood is obtained by gluing wooden sheets at a specification of

39. *Distemper is used on

40. *In low heat cement, the constituent kept to the minimum is

41. Find the one which is not used in quarrying

42. The temperature at which bricks are burnt varies from (low melting clay)

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

44. Which category does the sandstone belong to?

45. Inner part of the timber log as touching the pitch is called

46. Trap is a

47. Common sand is a variety of

48. Slate and marble stone belong to

49. The initial and final setting times of quick setting cement are

50. Refractory bricks are