Civil Engineering - Building Materials
Exercise :: Building Materials - Section 5
| 26. |
Slacking of lime is affected by |
| A. |
keeping it exposed to air | | B. |
immersing the lime in water | | C. |
crushing the lime lumps | | D. |
none of these. |
Answer: Option B
Explanation:
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| 27. |
The steel used in R.C.C. work is |
| A. |
stainless steel | | B. |
mild steel | | C. |
high carbon steel | | D. |
wrought iron. |
Answer: Option B
Explanation:
|
| 28. |
Mastic asphalt is |
| A. |
water proof | | B. |
fire proof | | C. |
elastic | | D. |
all the above. |
Answer: Option D
Explanation:
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| 29. |
Non acid-resistant asbestos is : |
| A. |
tremolite asbestos | | B. |
chrysolite abestos | | C. |
amosite absestos | | D. |
none of these. |
Answer: Option B
Explanation:
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| 30. |
Stones used for the construction of retaining walls must be |
Answer: Option D
Explanation:
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