General Studies · Strength of Materials
Consider a composite bar made of steel and brass, fixed at both ends. If the assembly is heated, which of the following statements is true regarding the thermal stresses?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Steel will develop compressive thermal stress because it has a higher coefficient of thermal expansion than brass.
- 2Brass will develop compressive thermal stress because it has a higher coefficient of thermal expansion than steel.✓
- 3There will be no thermal stresses in either material because the bar is fixed.
- 4Both materials will develop the same thermal stresses because they are subjected to the same temperature change.
Correct answer
Brass will develop compressive thermal stress because it has a higher coefficient of thermal expansion than steel.
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