Construction Materials Online Test – Paper 3

1. *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

2. *Efflorescence in brick is caused due to an excess of:

3. An artificial stone made from pieces of marble and cement and used for floor facing of walls, etc., is known as

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

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

6. *Swelling of bricks is known as

7. The physical classification divides the rocks into

8. The maximum percentage of water absorption of 2nd class bricks in 24 hrs should be limited to

9. The compressive strength of stone is found out by

10. Distemper is generally used in:

11. Which of the following has the highest crushing strength

12. Generally, wooden molds are made from

13. *Sandstone is a

14. The constituent responsible for the strength in granite is

15. A badly mixed cement concrete results in

16. The impurity not desirable in the soil used for brick formation is

17. The rock having calcium carbonate as the main mineral constituent is known as

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

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

20. The fineness of cement is tested by:

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

22. Crushing strength for most of the building stones should be more than

23. *The hardest rock is:

24. *Due to the attack of dry rot, the timber

25. *The function of frog is

26. *In the sieve analysis of the fineness test, the residue on IS sieve No. 90╬╝ after 15 minutes of sieving should not be more than

27. *In paints, the pigment is responsible for:

28. The types of bricks used for the lining of the furnace/combustion chamber are

29. The advantage of adding pozzolana to lime is

30. *A heavy stone is suitable for:

31. In the case of a clamp for the burning of bricks, the bricks/fuel are laid at a slope of...

32. *The lime suitable for use underwater is

33. *Teakwood is suitable for

34. In quick-setting cement the compound added is

35. *Duco is the trade name for

36. *The varnish is essentially made of

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

38. Granite is not suitable for ordinary building purposes because

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

40. Inert filler/adulterant is used in paint to

41. The quantity of sand in brick is about

42. Lime suitable for making mortar of good strength

43. The nominal size of modular brick is

44. Strength of cement, with storage

45. *Bronze is an alloy of

46. The main constituents of Portland cement are:

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

48. *The process of heating the limestone to redness in contact with air is termed

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

50. *Gravel is a type of