Civil Engineering - Building Materials
Exercise :: Building Materials - Section 5
| 16. |
For sanitary pipes and chemical stonewares, |
| A. |
salt glazing is used | | B. |
lead glazing is used | | C. |
opaque glazing is used | | D. |
None of these. |
Answer: Option A
Explanation:
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| 17. |
The steel used for rails under heavy traffic and on sharp curves, is |
| A. |
Nickel steel | | B. |
Chrome steel | | C. |
Magnese steel | | D. |
Vanadium steel. |
Answer: Option C
Explanation:
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| 18. |
The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick |
Answer: Option A
Explanation:
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| 19. |
Snowcrete is one of the patent forms of |
| A. |
distempers | | B. |
water proof cement paints | | C. |
enamel paints | | D. |
cellulose paints. |
Answer: Option B
Explanation:
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| 20. |
The usual percentages of clay and metal in cermet are : |
| A. |
50%, 50% | | B. |
60%, 40% | | C. |
70%, 30% | | D. |
80%, 20%. |
Answer: Option D
Explanation:
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