engineering recuitment BPSC AE Mock Test 2025 Strength of Materials Simple Stress and Strain Stress and Strain
Which one of the following statements is NOT correct?
1
For structural steel, the rupture strength is higher than the ultimate strength.
2
Yield stress is the lowest stress at which extension of the test piece increases without further increase in load.
3
The ultimate strength is commonly taken as the maximum stress of the material.
4
Ultimate strength is the ratio of maximum load to the original cross sectional area.