A mild steel bar, 1.5 m long, has square section 40 mm × 40 mm. The bar is subjected to a two – dimensional stress, σx = 310 N/mm2 (tensile) and σy = 300 N/mm2(Compressive),E = 2 × 105 N/mm2, Poisson’s ratio μ = 0.3. The elongation of the bar in the direction of σx will be

A mild steel bar, 1.5 m long, has square section 40 mm × 40 mm. The b

1.	A mild steel bar, 1.5 m long, has square section 40 mm × 40 mm. The bar is subjected to a two – dimensional stress, σx = 310 N/mm2 (tensile) and σy = 300 N/mm2(Compressive),E = 2 × 105 N/mm2, Poisson’s ratio μ = 0.3. The elongation of the bar in the direction of σx will be
A.	1.25 mm
B.	1.75 mm
C.	2.25 mm
D.	3 mm
Answer» E.