When installed, bar AB had negligible axial stress. When the bar's temperature is 124°F the axial compressive stress is 14.4 ksi. The bar is made from a ductile metal which has the following properties: E=25x10° psi, a = 9.00x106 (n.)/°F, and v = 0.29. Assume elastic behavior. in. 50 in.

If load P = 22.9 kips, determine the normal force in bar (1). D P A 6 ft 51.9 kips 44.8 kips 27.3 kips 38.2 kips O 40.4 kips B (1) 4 ft

If the modulus of elasticity and modulus of rigidity values are 205 GPa and 80 GPa, then the value of Poisson's ratio is Select one: O a. 1.562 O b. 0.281 O c. 0.02 O d. 0.072

Q2: A spacer is turned from Aluminum alloy with elasticity modulus of 78 GN/m?. The spacer has a diameter of 28 mm and a length of 245 mm. both measurements being made at 20°C. The temperature of the spacer is then increased to 100 °C, the natural expansion being entirely prevented. Taking the coefficient of linear expansion to be 18 x 10-6 °C. Determine the compressive load on the spacer.

The blue bar is made from steel with the following mechanical properties: Young's Modulus, E = 17x10° psi; Poisson's Ratio v = 0.31. The bar has a circular cross-section with diameter d= 0.50 in. being the length of each side. 557 lb 557 Ib 60 in. - Determine the following under the action of the axial load (assume elastic behavior): a. The bar's axial deformation, ô, in in.: b. The average axial or longitudinal strain, ELong: c. The change in the bar's diameter, in in.:

E. Rigid bar AD is horizontal before the weight of 112 lb is applied to the end of wire BC at C. The wires have a radius of 0.025" and are made of A913 steel. Determine the rotation of AD and how far C will move down due to application of the weight See Appendix of text for any material properties needed. Ans: 0.00071 radians 3 ft - 2 ft -3 ft- D B 4 ft W

The two angle bars are used to support a tensile load "T". Assume the tensile load to be equally resisted by each angle. 400 mm x 20 mm THK Gusset Plate The steel used is L 6 x 6 x 1. Properties: A = 7096.76 mm? y = 47.244 mm Fy = 248 MPa Fu = 400 MPa b = 152.4 mm b. t = 25.4 mm x = 47.244 mm Effective hole diameter = 25 mm y Use case 2 for shear lag factor. Use NSCP 2015 code. 1. Determine the maximum allowable load that can be carried by the two L6 x 6 x1 based on yielding of the gross section--- 2. Determine the maximum factored load that can be carried by two L6 x 6 x 1, based on the fracture of the effective net area.---- 3. Determine the maximum allowable tensile load that can be carried.------ 4. Determine the maximum factored tensile load that can be carried-- bo

A tensile force. of 120 kN is applied on a 0.02-m diameter and 2-m long rod. After applying the load, the diameter decreases to 0.01998 m and the length increases to 2.01 m. The true stress on that rod is?

For the design of the bar force members at AE, BC, and BE, calculate the steel's gross area. The stress in steel is given as A36 = 36 ksi. 400 lb 300 lb 15 ft 25 ft 15 ft B. 50 Ib 30 ft :D

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