Construction Materials Online Test – Paper 3

1. *Hollow bricks are used for

2. *Rubberization temperature is

3. The process of mixing sand with the powdered natural soil to improve the quality is known as

4. The standard size of a brick as per Nepal Standard (NBC205:2013) is

5. During burning of dried bricks, the sequence of chemical changes that take place, is as under

6. The amount of insoluble residue & residual retained (OPC) on IS90 sieve

7. Dolomite bricks are.

8. *What type of paint do you recommend in doors on the exterior wall of a building?

9. Tripoli is a type of

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

11. *Color of granite is

12. The maximum percentage of fine sand content in the soil for making good tiles is about

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

14. Gypsum is added to cement for reducing the fast reacting property of

15. German silver is an alloy of

16. The small areas on the painted surface enclosed by hairline cracks are called

17. The fire clay contains pure

18. The base material for distemper is

19. The strength of RHPC for one day is equal to...day of OPC

20. *In brick laying the tool used for lifting and spreading mortar and for forming joints is

21. *Seasoning of timber is essential to remove

22. Ultimate strength to cement is provided by:

23. The ordinary cement used in general construction is:

24. *All burnt bricks are soaked in water for at least.......before use with cement mortars.

25. The most widely used kiln in Nepal is

26. *Asphalt is a mixture of

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

28. *Galvanizing means

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

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

31. *The size of bull's trench kiln is

32. *The commonly used thinner in oil paints is

33. Slag cement contains

34. The maximum percentage of water absorption of 1st class bricks in 24 hrs should be limited to

35. The tendency of minerals split along a certain plane is known as

36. *The weight loss on heating of bitumen used for pavement should not be more than

37. In the manufacture of plywood, the veneers are placed such that the grains of one layer are

38. *For carving ornamental and architectural beauty, the stone should be

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

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

41. Refractory bricks are

42. Trap is a

43. Under metamorphism, which of the following change is correct?

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

45. The insoluble residues in good cement should be

46. Fat lime may be converted into artificial hydraulic lime

47. *The liquid part of the paint is called

48. *The seasoning of timber is done for

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

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