Civil Engineering - Building Materials
Exercise :: Building Materials - Section 2
| 31. |
Pick up the correct statement from the following: Method of sawing timber |
| A. |
tangentially to annual rings, is known as tangential method. | | B. |
in four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method. | | C. |
cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing. | | D. |
all the above. |
Answer: Option D
Explanation:
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| 32. |
Clay and silt content in a good brick earth must be at least |
Answer: Option A
Explanation:
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| 33. |
Bessemer process is used for the manufacture of |
| A. |
Pig iron | | B. |
cast iron | | C. |
Wrought iron | | D. |
Steel. |
Answer: Option D
Explanation:
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| 34. |
The portion of the brick without a triangular corner equal to half the width and half the length, is called |
| A. |
closer | | B. |
queen closer | | C. |
king closer | | D. |
squint brick. |
Answer: Option C
Explanation:
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| 35. |
The standard size of masonry bricks, is |
| A. |
18 cm x 8 cm x 8 cm | | B. |
19 cm x 9 cm x 9 cm | | C. |
20 cm x 10 cm x 10 cm | | D. |
21 cm x 11 cm x 11 cm | | E. |
none of these. |
Answer: Option B
Explanation:
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