The following figure shows the tensile stress–strain curve for a plain-carbon steel.(a) Wh...

The following figure shows the tensile stress–strain curve for a plain-carbon steel.

(a) What is this alloy’s tensile strength?

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(A) 650 MPa

(B) 300 MPa

(C) 570 MPa

(D) 3,000 MPa

(b) What is its modulus of elasticity?

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(A) 320 GPa

(B) 400 GPa

(C) 500 GPa

(D) 215 GPa

(c) What is the yield strength?

(A) 550 MPa

(B) 420 MPa

(C) 600 MPa

(D) 1000 MPa

Reprinted with permission of John Wiley&Sons, Inc.