A 600-lb tensile load is applied to a test made from flat steel plate Determine

Question

A 600-lb tensile load is applied to a test made from flat steel plate Determine the change (a) in the 2-in. length, (b) in the width of AB of the test coupon, (c) in the thickness of portion AB, (d) is the cross-sectional area of portion AB. In a standard tensile test a steel rod of 22-mm diameter is subjected to a tension force of 75 kN. Knowing that v = 0.3 and E = 200 CPa, determine (a) the elongation of the rod in a 200-mm gage length, (b) the change in diameter of the rod. A 20-mm-diameter rod made of an experimental plastic is subject to a tensile force of magnitude P = 6 kN. Knowing that an elongation of 14 mm and a decrease in diameter of 0.85 mm are observed in a 150-mm length, determine the modulus of elasticity, the modulus of rigidity, and Poisson's ratio for the material. The change in diameter of a large steel bolt is carefully measured as the nut is tightened. Knowing the E = 29 times 106 psi and v = 0.30, determine the internal force in the bolt, if the diameter is observed to decrease by 0.5 times 10-3 in.

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