| 11. |
Which one of the following is a regulatory sign of traffic?
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Answer:
Option (b) |
| 12. |
Which of the following has more fire resisting characteristics?
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Answer:
Option (c) |
| 13. |
The constituent of cement which is responsible for all the undesirable properties of cement is
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Answer:
Option (c) |
| 14. |
Inner part of a timber log surrounding the pitch, is called
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Answer:
Option (c) |
| 15. |
Clay and silt content in a good brick earth must be at least
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Answer:
Option (a) |
| 16. |
Which of the following is the purest form of iron?
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Answer:
Option (b) |
| 17. |
Advantage of a clamp compared to a kiln for burning bricks is that
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Answer:
Option (c) |
| 18. |
Early attainment of strength in rapid hardening cement is mainly due to
|
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Answer:
Option (b) |
| 19. |
Which of the following cements contains maximum percentage of di-calcium silicate?
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Answer:
Option (b) |
| 20. |
Which of the following stresses is used for identifying the quality of structural steel?
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Answer:
Option (b) |