Construction Materials Online Test – Paper 3

1. *Slate stone is a

2. The solidification of molten magma within the earth's crust results in the formation of

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

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

5. Loss on ignition in cement should not exceed

6. The advantage of adding pozzolana to lime is

7. *The stone that exhibits more fire-resisting characteristics is

8. *Granites are a type of

9. *Sandstone is a

10. *Hardness coefficient is maximum for

11. *The process of adding water to lime to convert it into hydrated lime is known as

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

13. *The sports goods are made from

14. Most weather-resisting metamorphic rock is

15. *Water absorption of cement should not be more than

16. Identify the chemical classification of rocks

17. *Types of rock used for lightweight aggregate is

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

19. *Brass is an alloy of

20. *Normally the bricks (1st class) obtained from pazawah is about

21. *Impregnating of timber is done to increase

22. *The function of paint is

23. The possibility of bleeding, segregation, and laitance is reduced by

24. Fat lime may be converted into artificial hydraulic lime

25. The quality of lime is checked by

26. Brard's test is done for finding the... of stone

27. During the production of cement, raw materials are mixed in

28. The seven-day compressive strength of good Portland cement, as obtained from the compressive test on cement-sand mortar cubes, should not be less than

29. The compressive strength of stone is found out by

30. *The paints used in aircraft are

31. *Workability is tested by

32. The fineness of cement is tested by:

33. Suitable stone for a gravity retaining wall is

34. *The commonly used grade of bitumen that is used in the moderate temperature range of Nepal is:

35. *The main purpose of seasoning is

36. *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

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

38. *Soundness test of cement determines

39. A piece of sawn timber whose cross-sectional dimensions exceed 5 cm in one direction and 20 cm in the other direction is called a

40. The discoloration and formation of white deposits due to the presence of a relatively large proportion of soluble salts in bricks is known as

41. The most commonly used retarder in cement is:

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

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

44. *Plaster of Paris can be obtained from the calcination of

45. *The age of the tree can be judged from

46. *PVC stands for

47. *Snowcem paint is a type of

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

49. The types of cement used for patch works of pavement are

50. Muller is concerned with