Construction Materials Online Test – Paper 3

1. The group of tools used for quarrying of stone is

2. *The main constituent, which is mainly responsible for hydraulicity is

3. *Softening point test (x/y) for bitumen is done at a temperature of upper numeral indicates the softening temperature (x┬░C) while the lower numeral indicates

4. *Sandstone is a

5. Bloating of bricks is due to

6. The most economical methods of sawing wood is

7. *Specific gravity for most of the ordinary building stone lines between

8. The tool used for quarrying of stones is

9. *The shape of Hoffman's continuous kiln is

10. The vehicle used in the case of enamel paints is

11. Stone generally used for railway ballast is

12. *The over ground continuous kiln is

13. Very strong lime mortar is obtained from

14. Tripoli is a type of

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

16. The advantage of adding pozzolana to lime is

17. If P is the percentage of water required for normal consistency, water to be added for determination of the initial setting time is,

18. PVC controls in paint

19. Advantage of clamp burning as compared to kiln burning is

20. Which of the following is not a softwood

21. The percentage of alumina in good brick earth lies between

22. For normal consistency, the penetration in Vicat apparatus should be between

23. The building stone can be dressed very easily

24. *Extenders used in paints are for

25. Pegmatite is an example of

26. The main constituents of Portland cement are:

27. Granite contains primarily

28. The crushing strength of 1st class brick should not be less than

29. The volume of one bag of cement weighing 50 kg is

30. The ordinary cement used in general construction is:

31. The fire clay contains pure

32. *Plywood is identified by

33. *Distemper is used on

34. The explosive not used for blasting the rocks underwater is

35. *Color of granite is

36. Quarry sap is found in

37. *Stainless steel resists corrosion due to

38. A stone is rejected if the water absorption is more than

39. *Plywood is made from

40. A slow-setting cement has a higher percentage of

41. In arches, stratified stones are placed so that their planes are

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

43. Which of the following wood has the maximum resistance to white ants

44. The most commonly used retarder in cement is:

45. *Hardness coefficient is maximum for

46. A thin pourable suspension of slaked lime in water is known as

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

48. When the timber is attacked by fungus and reduced to powder, it is called

49. As per IS specification, the minimum time for the initial setting of ordinary Portland cement is

50. *Bitumen is generally obtained from