A cylindrical metal bar of 12 mm diameter is located by an axial force – McqOptions

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1.	A cylindrical metal bar of 12 mm diameter is located by an axial force of 20 kN results in a change in diameter by 0.003 mm. Poisson’s ratio is given by: (Assume modulus of rigidity = 80 GPa)
A.	0.2923
B.	0.056
C.	0.025
D.	0.56
Answer» B. 0.056

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