Building Construction Technology Online Test – Paper 2

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

2. The workability of concrete can be improved by the addition of the following compounds:

3. Allowable shear stress of concrete depends upon:

4. Under strap footing, individual footings are connected by:

5. The D.P.C. should be:

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

7. If the water-cement ratio of concrete is 0.6, then water required for mixing concrete is:

8. Volume of one bag of cement (50kg) is:

9. The header bond is used in:

10. Workability of concrete for a given water content is good if aggregates used are:

11. Flexible material used for damp proofing is:

12. Minimum width of a load-bearing wall should be:

13. The structure on which an arch rests is called:

14. The members which support covering materials of a sloping roof are:

15. The roof sloping in four directions is called:

16. The joint preferred in a single brick wall to save facing bricks is:

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

18. The minimum percentage of the chemical ingredient of cement is that of:

19. Negative skin friction of piles is predominant in

20. For ensuring quality of concrete, use:

21. A cut in the frame of a door to receive the shutter is known as:

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

23. The process of hardening the concrete by keeping its surface moist is known as:

24. To prevent segregation, the maximum height for placing concrete is:

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

26. Lacing in steel structures are provided:

27. Size of fine aggregates should not exceed:

28. Gypsum is a:

29. The maximum bearing capacity of soil is that of:

30. The flash set of Portland cement is: