Building Construction Technology Online Test – Paper 3

1. If the compaction factor is 0.95, the workability of concrete is:

2. An ornamental projection from the face of a brick wall is called:

3. Non-uniform compaction may cause the concrete:

4. Bulking of sand is:

5. Workability of concrete mix with a low water-cement ratio is determined by:

6. Pick up the incorrect statement from the following:

7. Negative skin friction of piles is predominant in

8. The portion of a brick obtained by cutting a brick lengthwise into two directions is known as:

9. The earliest period for removing formwork under normal atmospheric conditions should be:

10. The maximum size of the aggregate used in a damp proof course is about:

11. Geologic cycle for the formation of the soil is:

12. In brick masonry, the bond produced by laying alternate headers and stretchers in each course is known as:

13. Higher load-carrying capacity of a strut depends on:

14. Proper proportioning of concrete ensures:

15. The member laid horizontally to support common rafters and which transmits the loads to the trusses or wall is:

16. Width of wall footing (according to thumb's rule) is: (where t = thickness of the wall)

17. While designing an air-entrained concrete:

18. Curing of concrete ensures:

19. With the rise in the temperature of atmospheric air, the setting time of cement:

20. Moisture content of aggregate is determined by:

21. High temperature:

22. Workability increasing admixture is used in concrete to?

23. Slump test is a measure of:

24. Which of the following walls is not designed for taking lateral load?

25. The addition of pozzolana to cement causes:

26. Flooring preferred for a dancing hall is:

27. Proper batching ensures:

28. A plate load test is useful to determine:

29. The bulk density of aggregates is generally expressed as:

30. The stepped structure provided to provide lateral support for a structure is known as:

31. The high strength of rapid hardening cement at an early stage is due to its:

32. Strength of cement with the passage of time:

33. If sea water is used for preparing concrete:

34. Strength of concrete with the passage of time:

35. The approximate ratio of strength of 30 cm concrete cube to that of 15 cm cube is:

36. The flash set of ordinary Portland cement paste is:

37. If the average compressive strength is 4000kg/cm2 and standard deviation is 500, the coefficient of variation is:

38. The bulk density of an aggregate does not depend upon:

39. The method of damp proofing in which a layer of water repellent substance is provided between the source of dampness and part of the structure, adjacent to it is known as:

40. Skin frictional resistance is caused by:

41. Maximum shrinkage takes place in concrete after drying for:

42. The temporary structure to support the platform over which workmen can sit and work is known as scaffolding whose minimum height is kept above the floor level:

43. Slump test is used for:

44. The approximate ratio of the strength of cement concrete at 7 days to that at 28 days:

45. The area covered by flat brick soling is approximately... times for brick on edge:

46. The apex line of a sloping roof is called:

47. A floor constructed with special aggregate of 3 mm marble chips mixed with white and colored cement is called:

48. The roof suitable in plains where rainfall is merge and temperature is high is:

49. The quantity of seepage of water through soils is proportional to:

50. The process of filling hollow spaces of walls before plastering is known as: