MCQOPTIONS
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| 1. |
The elongation (mm) in a steel bar having a square cross section of dimension 40 mm x 40 mm is 2.5 mm and is subjected to an axial compressive load of P (kN). If the length of the bar is 4 m and modulus of elasticity is E = 250 GPa. What is the value of P (kN)? |
| A. | 100 |
| B. | 150 |
| C. | 200 |
| D. | 250 |
| Answer» E. | |