Building Construction Technology Online Test – Paper 3

1. Skin frictional resistance is caused by:

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

3. The ratio of the number of vertical joints in the header course to that of the stretcher course is equal to:

4. Minimum width of stretcher bond, header bond, and single Flemish bond are...... and...... bricks, respectively.

5. In the slump test, each layer of concrete is compacted by a steel rod 60 cm long and 16 mm diameter for:

6. A horizontal mortar joint on which masonry units are laid is called:

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

8. The joints provided in wooden floors are?

9. The unit weight of RCC is taken as:

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

11. The soundness test of cement by Le Chatelier's apparatus gives unsoundness due to:

12. The bond in which all courses are laid as stretcher is known as:

13. The approximate ratio of strength of cement concrete at 3 months to that at 28 days of curing is:

14. The shrinkage in cement concrete decreases with:

15. The most important test to be conducted on a stone used in docks and harbors is:

16. The following compound that helps in obtaining early strength of cement concrete is:

17. Non-uniform compaction may cause the concrete:

18. The types of foundation used to transfer heavy load are:

19. For a uniform face appearance, the bond desired in brick masonry is:

20. Undisturbed samples are obtained by:

21. Which sequence is correct with respect to the removal of formwork?

22. Percentage of pozzolanic material containing clay up to 80% used for the manufacture of pozzolana cement is:

23. The foundation used on weaker soil is:

24. Curing of pavements, floors, roofs, and slabs are done by:

25. A roof sloping in four directions but with a break in slopes is called:

26. Maximum permissible unit of magnesia concentration in ordinary Portland cement is:

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

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

29. The types of plaster generally used for the ceiling is:

30. The type of aggregate of the same nominal size, which contains fewer voids when compacted, is:

31. The exterior angle between outer faces of a wall is known as:

32. Pick up the incorrect statement from the following:

33. The W/C ratio of ferrocement should be......than normal concrete:

34. Separation of coarse aggregates from mortar during transportation is known as:

35. For ensuring quality of concrete, use:

36. Low water concrete results in:

37. To support a heavy structure in sandy soil, the type of foundation generally used is:

38. Steam curing is used in:

39. The approximate ratio of strength of cement concrete at 6 months to that at 28 days of curing is:

40. The cut or broken portion of a brick is called:

41. The bulking of aggregates is due to:

42. A retaining wall may be built of:

43. The load-bearing cantilever projection from the face of a masonry wall is called:

44. Generally, D.P.C. is provided at:

45. The work in which bricks are left projecting out in a masonry wall is known as:

46. Negative skin friction on piles:

47. The process of proper and accurate measurement of concrete ingredients for the uniformity of proportion is:

48. The number of treads in a flight is equal to?

49. The flooring suitable for a noiseless situation (theater, churches, libraries, etc.) is:

50. The foundation in which a cantilever beam is provided to join two footings is known as: