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- A tensile test was performed on a metal specimen having a circular cross section with a diameter 0. 510 inch. For each increment of load applied, the strain was directly determined by means of a strain gage attached to the specimen. The results are, shown in Table: 1.5.1. a. Prepare a table of stress and strain. b. Plot these data to obtain a stress-strain curve. Do not connect the data points; draw a best-fit straight line through them. c. Determine the modulus of elasticity as the slope of the best-fit line.Required information Consider the loading shown. The allowable normal stress for the steel used is 160 MPa. 0.8 m 50 kN/m B -2.4 m- 0.8 m For the selected design, determine the actual value of Om in the beam. (Round the final answer to one decimal place. You must provide an answer before moving to the next part.) The actual value of om in the beam is 160 MPa.Situation 1: A rigid bar ABC weighs 10 kN/m. The compressive stress of the copper bar is 20 MPa. Answer the following questions: 3m B 2 m Copper L=3m A = 1500 mm² Brass C L = 2 m A = 1200 mm² A. What is the stress of the brass bar? Indicate if it will experience tension (T) or compression (C) (MPa) B. What is the minimum required diameter of the pin at A assuming that the pin connection is in double shear? Consider the allowable shearing stress of the pin as 15 MPa. Round your answer in a multiple of 5. (mm)
- Bar A was manufactured 2 mm less than bar B due to an error. The attachment of these bars to the rigid bar wouldcause a misfit of 2 mm. Calculate the initial stress in each assembly. Which of the two assembly configurationyou would recommend? Use modulus of elasticity of E = 80 GPa and diameter of the circular bars as 32 mm.Q/ Find the Maximum stresses in Steel and Aluminum. Est= 210G pa and E al%3D 70 G pa ? W= 15 Kn.M 120mm 5m Al steel 60mm 140 mmSolve for the design strength. Is it stable or not?
- Stress on an ique Plane under al Loading 12 Stress under eneral Loading onditions; Components f Stress 1.13 Design Considerations Review and Summary for Chapter 1 PROBLEMS REVIEW PROBLEMS COMPUTER PROBLEMS 2 Stress and Strain-Axial Loading 44°F Mostly cloudy AN DEVELOPMENT 2.12 A nylon thread is to be subjected to a 10-N tension. Knowing that E = 3.2 GPa, that the maximum allowable normal stress is 40 MPa, and that the length of the thread must not increase by more than 1%, determine the required diameter of the thread. 76 = 3 8 Search PAPER PERFORMANCE IN ALL 3.5Two wooden boards are joined by cutting and gluing them together along the plane shownin the illustration. The boards have cross-sectional dimensions of 3.5” by ¾” and are subjectedto an axial tension, P, of 1870 lb.a) Determine the normal and shear stresses acting on the glued joint if = 20o.b) For what joint angle, , will the shear stress on the glued joint be equal (in magnitude) totwice the normal stress on the joint?QUESTION 3 The assembly consists of three steel rods and a horizontal bar BED. The structure supports a 36 kN load P located at middle of bar BED. Each of the rod AB and CD has a cross-sectional area of 200 mm² and rod EF has a 625 mm². Modulus of elasticity for steel is 200 GPa. Determine: (a) The change in length of rod EF. (b) The stress in each rod. 500 mm 400 mm
- ok Strength of Materials donO نورا حياتها مترجر شریه ✓t مقادم نلود Dr. Mohammed Hashim Mohammed Problems tan't yorada grutegraat km). E1.x² (1) A steel rod with cross-sectional area of 150mm² is stretched between two fixed points. The tensile load at 20°c is 5 kN. What will be the stress at -20°c? At what temperature the stress will be zero? bedre α = 11.7x10 6/2 and E = 200x10² N/m².The modulus of elasticity of mild steel is equal to .. .? .... .. a. 2 x 10ʻN/m? a. 2 x 10'N/m 2 b. 2 x 10° N/m 4 c. 2 x 10 N/mm 5 d. 2 x 10 N/mm Check1. The hanger assembly shown supports a 4500-kg pipe. The working stresses for each of the hanger assembly components are as follows: Tensile Stress in the Hanger Rod ≤ 140 MPa Shearing Stress in the bolt ≤80 MPa Bearing Stress between the bolt & the Bottom Strap ≤ 120 MPa Calculate the following: a. Required diameter of the hanger b. Required diameter of the bolt