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| Q. |
Which of the following is not correct? |
| A. | angles and t section are strong in bending |
| B. | channels can be used only for light loads |
| C. | i sections are most efficient and economical shapes |
| D. | i section with cover plates are provided when large section modulus is required |
| Answer» A. angles and t section are strong in bending | |
| Explanation: angles and t section are weak in bending. channels can be used only for light loads. i sections (rolled and built-up) are most efficient and economical shapes. i section with cover plates are provided when large section modulus is required. generally, islb or ismb are provided in such cases. | |
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