Civil Engineering - Building Materials
Exercise :: Building Materials - Section 8
| 16. |
Ground glass |
| A. |
is made by grinding its one side | | B. |
is made by melting powdered glass paints surface | | C. |
is used for getting light without transparency | | D. |
all the above. |
Answer: Option D
Explanation:
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| 17. |
The harmonious mixing of the clay ingredients, is known as |
| A. |
weathering | | B. |
blending | | C. |
tempering | | D. |
None of these. |
Answer: Option B
Explanation:
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| 18. |
Brass is an alloy of |
| A. |
copper and zinc | | B. |
zinc and lead | | C. |
tin and silver | | D. |
zinc and nickel | | E. |
tin and lead. |
Answer: Option A
Explanation:
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| 19. |
The wedging is adopted for quarrying costly stratified rock such as |
| A. |
laterite | | B. |
marble | | C. |
limestone | | D. |
sandstone | | E. |
All the above. |
Answer: Option E
Explanation:
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| 20. |
Rapid hardening cement attains early strength due to |
| A. |
larger proportion of lime grounded finer than normal cement | | B. |
lesser proportion of lime grounded coarser than normal cement | | C. |
lesser proportion of lime grounded finer than normal cement | | D. |
larger proportien of lime grounded coarser than normal cement | | E. |
excess percentage of gypsum. |
Answer: Option A
Explanation:
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