engineering recuitment BTSC Bihar JE Civil Mock Test Strength of Materials Principal Stress or Strain
For a square metal plate, if σx = σy and Txy = 0, then which of the following options is true?
1
σx' = σy' = Txy'
2
σx' = σy' and Txy' ≠ 0
3
σx' = σy' and Txy' = 0
4
σx' ≠ σy'