Civil Engineering - Building Materials
Exercise :: Building Materials - Section 7
| 31. |
For a 50 kg cement bag water required, is |
| A. |
16.5 litres | | B. |
18.5 litres | | C. |
20.5 litres | | D. |
22.5 litres | | E. |
25 litres. |
Answer: Option D
Explanation:
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| 32. |
The presence of sand in brick earth prevents: |
| A. |
cracking of bricks | | B. |
shrinkage of bricks | | C. |
warping of bricks | | D. |
none of these. |
Answer: Option C
Explanation:
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| 33. |
The property by virtue of which lime sets under water, is known as |
| A. |
slacking | | B. |
setting | | C. |
hydraulicity | | D. |
calcining. |
Answer: Option C
Explanation:
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| 34. |
Percentage content of silica in window glass, is |
| A. |
40 to 45 | | B. |
50 to 55 | | C. |
60 to 65 | | D. |
70 to 75. |
Answer: Option D
Explanation:
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| 35. |
The coefficient of hardness of stones used in road work should be greater than |
Answer: Option D
Explanation:
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