Civil Engineering - Building Materials
Exercise :: Building Materials - Section 1
| 36. |
Good quality stones must |
| A. |
be durable | | B. |
be free from clay | | C. |
resist action of acids | | D. |
all the above. |
Answer: Option D
Explanation:
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| 37. |
Sewer pipes are made of |
| A. |
earthen ware | | B. |
stone ware | | C. |
refractory clay | | D. |
terracota | | E. |
all the above. |
Answer: Option B
Explanation:
|
| 38. |
Fibre glass |
| A. |
retains heat-longer | | B. |
has a higher strength to weight ratio | | C. |
is shock proof and fire retardent | | D. |
does not decay | | E. |
all the above. |
Answer: Option E
Explanation:
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| 39. |
Pick up the correct statement from the following: |
| A. |
The theory of formation of concrete is based on the phenomena of formation of voids | | B. |
The bulking of sand is taken into account while volumetric proportioning of the aggregates | | C. |
The dry sand and the sand completely flooded with water, have practically the same volume | | D. |
The expansion and contraction joints are provided if concrete structures exceed 12 m in length | | E. |
All the above. |
Answer: Option E
Explanation:
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| 40. |
Pick up the correct statement from the following: |
| A. |
In stone arches, the stones are placed with their natural beds radial | | B. |
In cornices, the stones are placed with their natural beds as vertical | | C. |
In stone walls, the stones are placed with their natural beds as horizontal | | D. |
All the above. |
Answer: Option D
Explanation:
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