Civil Engineering - Building Materials
Exercise :: Building Materials - Section 4
| 6. |
Quick lime |
| A. |
generates heat when added to water | | B. |
reacts with carbon dioxide | | C. |
may be used for white-washing | | D. |
when mixed with water forms slaked lime | | E. |
all the above. |
Answer: Option E
Explanation:
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| 7. |
Age of a tree may be ascertained by |
| A. |
radius of its stem | | B. |
circumference of its stem | | C. |
number of branches | | D. |
number of annual rings. |
Answer: Option D
Explanation:
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| 8. |
The portion of a brick cut to form angles other than right angles in plan, is known as |
| A. |
queen closer | | B. |
king closer | | C. |
closer | | D. |
squint brick. |
Answer: Option D
Explanation:
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| 9. |
Pick up the correct statement from the following: |
| A. |
Slaked lime contains calcium hydroxide | | B. |
Quick lime contains calcium oxide | | C. |
Slaked lime may be obtained from quick lime | | D. |
Slaked lime is obtained by adding water to quick lime | | E. |
All the above. |
Answer: Option E
Explanation:
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| 10. |
Plywood is obtained by gluing wooden sheets at |
| A. |
100 to 150 N/cm2 | | B. |
100 to 130°C | | C. |
both (a) and (b) | | D. |
Neither (a) nor (b). |
Answer: Option C
Explanation:
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