Construction Materials Online Test – Paper 3

1. *The seasoning of timber is done for

2. Normally, the wood used for scaffolding is

3. *Bronze is an alloy of

4. The trees yielding hard wood is

5. Attrition test on stone is done to find out

6. *Asphalt is a mixture of

7. *A brick is a block of ........

8. *A heavy stone is suitable for:

9. *Rubberization temperature is

10. Storage of cement should be done on

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

12. If fine sand or ash is sprinkled on the inner surface of the mould, the bricks are known as

13. *Conglomerate is a

14. The pigment used in paints for corrosion resistance is

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

16. The most commonly used retarder in cement is:

17. Fracture of asbestos is

18. The base material for distemper is

19. The initial setting of cement is caused by the formation of

20. Limestone comes under the category of

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

22. Loss on ignition in cement should not exceed

23. In the chemical composition of the test for loss on ignition, the cement is treated to a temperature of

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

25. *Lacquer is

26. Which of the following is the reason for the decrease in the use of stones as building material?

27. *Suitable aggregate is obtained from... rock.

28. The physical classification divides the rocks into

29. The artificial seasoning of timber may

30. Distemper is generally used in:

31. The temperature range at which the consistency test is conducted

32. The maximum percentage of silt content for making good tiles is about

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

34. *Le-Chatelier's apparatus is used to carry out

35. The rocks which are formed due to the cooling of magma at a considerable depth from the earth's surface are called

36. *The paints used in aircraft are

37. Quick setting cement is used

38. The timber having maximum resistance against white rots is obtained from

39. *Distemper is used on

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

41. *The varnish is essentially made of

42. Normally bogus compounds found in cement during the burning process

43. *Quick lime is

44. *The timber whose thickness is less than 5 cm and width exceeds 12 cm is called a

45. The red color of the brick is due to

46. Creosote oil is used to preserve the wood from

47. Bitumen paint renders

48. *Oil varnish generally consists of

49. The pozzolana Portland cement gains strength

50. Which one of the following does not belong to exogenous trees?