Civil Engineering - Building Materials
Exercise :: Building Materials - Section 1
| 16. |
Sand stone is |
| A. |
sedimentary rock | | B. |
metamorphic rock | | C. |
igneous rock | | D. |
volcanic rock. |
Answer: Option A
Explanation:
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| 17. |
If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called |
| A. |
Bessemer pig | | B. |
Grey or foundry pig | | C. |
White or forge pig | | D. |
Mottled pig. |
Answer: Option C
Explanation:
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| 18. |
Stainless steel contains |
| A. |
18% of chromuim and 8% nickel | | B. |
8% of chromium and 18% of nickel | | C. |
12% of chromium and 36% of nickel | | D. |
36% of chromium and 12% of nickel. |
Answer: Option A
Explanation:
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| 19. |
Pick up the hypabyssal rock from the following: |
| A. |
Granite | | B. |
Dolerite | | C. |
Basalt | | D. |
All the above. |
Answer: Option B
Explanation:
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| 20. |
Depending on the chemical composition and mechanical properties, iron may be classified as |
| A. |
cast iron | | B. |
wrought iron | | C. |
steel | | D. |
all the above. |
Answer: Option D
Explanation:
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