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Mechanical Properties of Solids: Thermal Stress MCQ

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Thermal StressEasyQuestion 6360

Question

Thermal stress in a rod (Y, α, ΔT) when ends are fixed:
  1. A
    YαΔT
    Correct
  2. B
    αΔT/Y
  3. C
    Y/αΔT
  4. D
    YΔT/α

Correct answer

YαΔT

Explanation

Thermal strain = αΔT. Thermal stress = Y × αΔT = YαΔT.

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