Home » Strength Of Materials » Strength Of Materials Miscellaneous » Question

Strength Of Materials Miscellaneous

Easy Questions
Moderate Questions
Difficult Questions

Strength Of Materials

Strength Of Materials Miscellaneous
  1. A free bar of length/ is uniformly heated from 0°C to a temperature t°C, α is the coefficient of linear expansion and E the modulus of elasticity. The stress in the bar is
    1. αtE
    2. αtE/2
    3. Zero
    4. None of these
Correct Option: C

For thermal stress to be developed there must be constraint in the system to oppose. So strain develops but there is no thermal stress.


Your comments will be displayed only after manual approval.