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- The bar ABC in the figure consists of two cylindrical segments. The material of the bar has the stress-strain diagram shown. Calculate the elongation in segment AB caused by the 60-kN axial load.Strength For the state of plane stress shown, determine the largest value of o, for which the maximum in plane shear stress is equal to or less than 75 MPa. After you determine the value, draw Mohr circle for the caseThe stress condition of an I-section beam at point A is given. (It is 30 MPA shear stress value.) a) Calculate the principal stresses, location and angle. b) Calculate the stress components that will affect the plane in a section a-a that makes a 30 degree angle shown in the figure.
- At a creation point in a strained material, the principle stresses are 100N/mm2 and 40 N/mm2 both in tensile. Find normal, tangential and resultant stresses across a plane through the point at 480 to the major principal plane using Mohr's circle of stress.The plastic tube is subjected to a torque of 150 N X m. Determine the average shear stress in the tube if the mean dimension a = 200 mm. Each side has a thickness of t = 3 mm. (The answer is 1.25 MPa)Using the maximum shear stress (MNST) and maximum normal stress theory (MSST) , find the minimum yield strength to be used for the beam shown in the figure(attached). Choose an appropriate material accordingly. T=300 N.m M=250 N.m F=800 N and Take the safety factor as 2.5
- 1. If P=100kN, and the plate thickness is t=8 mm, determine the maximum axial stress in the structural component shown below.Find the lightest S-shape for the beam shown if the working stress in bending is 120 MPa. What is the maximum bending stress in the beam selected? Lightest S-shape beam =Maximum bending stress (MPa) =At a point in a stressed material, the stress combination acting on a plane is a 90 kPa compressive stress and a 30 kPa shear stress, while on a perpendicular plane, the stress combination is 30 kPa compression and 30 kPa shear. Use the Mohr’s circle for this stress analysis. (a) Determine the values of the major and minor principal stresses. (b) Determine the angle between the major principal plane and the plane where the 90 kPa compressive stress acts.
- The principal stress for a machine boiler are sigma , 0.5 sigma and 0. If yield stress is 240. Find the suitable value of sigma by Max principal strain theory Max shear stress theory11.17:A bending moment of M = 700 N.m is acting on the cross section shown in the figure. Find the largest and smallest stress in the cross section. Answer: ϭmax=5,42 MPa; ϭmin=-2,01 MPaA state of plane stress consists of an 8-ksi tensile stress (as shown) along with an unknownshear stress. Determine:(a) the magnitude of the shear stress, o, for which the largest normal stress is 10 ksi(b) the corresponding maximum shear stress in the material.