Civil Engineering - Building Materials
Exercise :: Building Materials - Section 7
| 36. |
Pick up the correct statement from the following: |
| A. |
Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer | | B. |
Cupola furnace is used for the manufacture of cast iron | | C. |
Red short iron is of no value for welding purpose | | D. |
All the above. |
Answer: Option D
Explanation:
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| 37. |
The steel used for the manufacture of rails, is |
| A. |
Bessemer steel | | B. |
mild steel | | C. |
cast steel | | D. |
stainless steel. |
Answer: Option A
Explanation:
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| 38. |
Slump test for concrete is carried out, to determine |
| A. |
strength | | B. |
durability | | C. |
workability | | D. |
water content. |
Answer: Option C
Explanation:
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| 39. |
Basalt is |
| A. |
sedimentary rock | | B. |
metamorphic rock | | C. |
extrusive igneous rock | | D. |
intrusive igneous rock. |
Answer: Option C
Explanation:
|
| 40. |
The frog of a brick is normally made on its |
| A. |
top face | | B. |
bottom face | | C. |
longer face | | D. |
shorter side. |
Answer: Option A
Explanation:
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