A steel bar of the initial cross-section area of 200 mm2 is extruded w – McqOptions

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1.	A steel bar of the initial cross-section area of 200 mm² is extruded with extrusion ratio of 8. Find the final cross-sectional area of the bar?
A.	100 mm<sup>2</sup>
B.	25 mm<sup>2</sup>
C.	75 mm<sup>2</sup>
D.	1000 mm<sup>2</sup>
Answer» C. 75 mm<sup>2</sup>

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