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Q. |
Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned work respectively should not be less than |
A. | 35 mpa and 42 mpa |
B. | 42 mpa and 35 mpa |
C. | 42 mpa and 53 mpa |
D. | 53 mpa and 42 mpa |
Answer» B. 42 mpa and 35 mpa |
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