General Studies · Strength of Materials
In a composite bar under axial tension or compression, under what condition is the strain in both constituent bars equal?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1When both bars have the exact same cross-sectional area
- 2When both bars carry equal portions of the total external load
- 3When both bars are subjected to the same temperature change without constraint
- 4When both bars elongate or contract equally due to rigid bonding✓
Correct answer
When both bars elongate or contract equally due to rigid bonding
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