Project ForgeStrength of Materials
Stress & Strain
GATE 2018
Easy
A bar is compressed to half of its original length. The magnitude of true strain produced in the deformed bar is ________________ (correct to two decimal places).
0.695(± 0.005 accepted)
Explanation
ε_true = ln(Lfinal/Linitial) = ln(0.5) ≈ −0.693. Magnitude = 0.69.
Source: GATE ME 2018 Session 1 (Set 1) (2018)
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