Civil Engineering - Building Materials
Exercise :: Building Materials - Section 1
| 11. |
The initial setting time of lime-pozzolana, is |
| A. |
30 minutes | | B. |
60 minutes | | C. |
90 minutes | | D. |
120 minutes. |
Answer: Option D
Explanation:
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| 12. |
The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout |
| A. |
the monsoon | | B. |
the winter | | C. |
the summer | | D. |
none of these. |
Answer: Option A
Explanation:
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| 13. |
The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called |
| A. |
Plutonic rocks | | B. |
Hypabyssal rocks | | C. |
Volcanic rocks | | D. |
Igneous rocks. |
Answer: Option A
Explanation:
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| 14. |
Quartzite is a |
| A. |
metamorphic rock | | B. |
argillaceous rock | | C. |
calcareous rock | | D. |
silicious rock. |
Answer: Option D
Explanation:
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| 15. |
The variety of pig iron used for manufacture of wrought iron, is |
| A. |
Bessemer pig | | B. |
Grey or foundry pig | | C. |
White forge pig | | D. |
Mottled pig. |
Answer: Option C
Explanation:
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