engineering recuitment Rajasthan Housing Board JE Civil (Degree & Diploma) Mock Test 2023 Strength of Materials Simple Stress and Strain Axial Elongation of Bar
Which formula correctly depicts the elongation in a tapered rod?
1
\(\delta = \frac{{PL}}{{AE}}\)
2
\(\delta = \frac{{WL}}{{AE}}\)
3
\(\delta = \frac{{W{L^2}}}{{2AE}}\)
4
\(\delta = \frac{{4PL}}{{\pi {d_1}{d_2}E}}\)