MCQOPTIONS
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| 1. |
When does contra flexure point occur on a beam? |
| A. | When bending moment is maximum. |
| B. | When bending moment changes its sign. |
| C. | When shear force is zero after changing its sign. |
| D. | When shear force is constant. |
| Answer» C. When shear force is zero after changing its sign. | |