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| Q.40 | A tapering conical bar of 1.5 m length has diameter of 21 mm and 60 mm at the two ends. Find the elongation of bar under an axial loading of 100 kN. [ E = 200 GPa, π = 22/7] | |
| Ans | 1. (25/22) mm | |
| 2. (25/11) mm | ||
| 3. (25/33) mm | ||
| 4. (25/44) mm |
Correct Ans: 3
