MCQOPTIONS
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| 1. |
Find the bending stress to which a screw of nominal diameter 22mm is subjected when the clamp exerts a force of 5kN acts on it. The screw is double threaded and pitch of screw is 5mm.Given: Coefficient of friction is 0.15.It is assumed operator exerts a force of 250N at the handle of length 275mm. |
| A. | 123.45N/mm² |
| B. | 132.54N/mm² |
| C. | 142.54N/mm² |
| D. | 124.45N/mm² |
| Answer» D. 124.45N/mm² | |