An aluminum tensile test specimen has a diameter, do = 25 mm and a gau – McqOptions

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1.	An aluminum tensile test specimen has a diameter, do = 25 mm and a gauge length of Lo = 250 mm. If a force of 175 kN elongates the gauge length by 1.25 mm, the modulus of elasticity of the material is nearly
A.	71 GPa
B.	71 MPa
C.	142 GPa
D.	142 MPa
Answer» B. 71 MPa

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