engineering recuitment TSPSC AEE Civil Mock Test 2022 Strength of Materials Principal Stress or Strain Analysis of Strain
A rectangular strain rosette, shown in figure, gives following readings in a strain measurement task, ϵ1 = 1000 × 10-6, ϵ2 = 800 × 10-6, ϵ3 = 600 × 10-6. The direction of the major principal strain with respect to gauge 1 is
1
0°
2
15°
3
30°
4
45°