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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