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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