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1. |
Calculate total diameter ratio (d‚Äö√Ñ√∂‚à ö√ë‚à ö¬•/D) of reinforced concrete truss member such that the internal diameter is 40mm and external diameter is given as 200mm?$ |
A. | 0.6 |
B. | 0.8 |
C. | 0.2 |
D. | 9.6 |
Answer» D. 9.6 | |