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Questions  

If Poisson's ratio σ for a material is 12, then the material is   

a
elastic fatigue
b
incompressible
c
compressible
d
None of these

detailed solution

Correct option is B

We know that, compressibility, C=1|B|Also, dVV=(1−2σ)dLLGiven,  σ=12dVV=0, i.e. voIume is constant.or B=∞,  i.e. the material is incompressible.

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