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| Q. |
For a cantilever beam of length built-in at the support and restrained against torsion at the free end, the effective projecting length is |
| A. | l = 0.7 l |
| B. | l = 0.75 l |
| C. | l = 0.85 l |
| D. | l = 0.5 l |
| Answer» B. l = 0.75 l | |
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