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Question 30826
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Elasticity, Thermal Expansion, Calorimetry and Heat Transfer: Thermal Stress MCQ

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Thermal StressMediumQuestion 30826

Question

Two rods (steel and copper) are joined end to end and heated. At junction:
  1. A
    Both expand freely
  2. B
    Stress is compressive in steel
  3. C
    Stress is tensile in copper
  4. D
    Thermal stress depends on which end is fixed
    Correct

Correct answer

Thermal stress depends on which end is fixed

Explanation

Thermal stress analysis requires knowing which ends are constrained — free, partially, or fully fixed.

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