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Question 6368
NEET Physics · Medium

Mechanical Properties of Solids: Thermal Stress MCQ

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Thermal StressMediumQuestion 6368

Question

Expansion joints in bridges/railways are provided to:
  1. A
    Increase strength
  2. B
    Allow thermal expansion to avoid thermal stress
    Correct
  3. C
    Reduce weight
  4. D
    Improve aesthetics

Correct answer

Allow thermal expansion to avoid thermal stress

Explanation

Expansion joints allow free thermal expansion, preventing dangerous thermal stress buildup.

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