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An ASTM A36 steel rod 10 m long must be capable of supporting a tensile load...

An ASTM A36 steel rod 10 m long must be capable of supporting a tensile load of 25.0 kN without elongating more than 14 mm or exceeding an allowable tensile stress of 215 MPa. Calculate the required rod diameter to 1 mm. the proportional limit is 234 MPa.

A. 9

B. 10

C. 11

D. 12

E. 13

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