21. Higher pitch of the roof
i) results in stronger roof
ii) results in weaker roof
iii) requires more covering material
iv) requires less covering material
The correct answer is
i) results in stronger roof
ii) results in weaker roof
iii) requires more covering material
iv) requires less covering material
The correct answer is
22. The method of addition polymerization is used for obtaining:
23. Index number expressing the relative sizes of both coarse and fine aggregates, is called
24. During smelting process, the combination of fuel in the furnace
25. Bituminous fells are used for
26. The slag which floats on the surface of the molten iron generally contains
27. Mastic asphalt is generally used for
28. Vanadium steel is generally used for
29. Plastic bitumen is generally used for
30. Lime concrete is generally used for
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