1. Given:a) The material is 2024-T4 aluminum with a yieldstrength of 47 ksib) The rod length L=6 in and arm a=8 inc) The rod outside diameter d=1.5 inwallrodd) Load F=1000 lb2. Assumptions:a) The load is static and the assembly is at roomarmtemperatureb) Consider shear due to transverse loading as wellFas other stressesa3. Problem:a) Determine the safety factors for the bracket rod shown in figure based on stress elements at A andB points by using:The maximum shear theory (MSST)The distortion-energy theory (DET)And compare themb) Plot the failure diagrams in the oa, O3 plane to scale and locate the coordinates of the stress statec) Estimate the factors of safety from the two theories by graphical measurements along the load line

Answered: Image /qna-images/answer/40f7830e-169c-48f6-aa67-60d6ca620232.jpg

Answered: a) The material is 2024-T4 aluminum…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Strenght of Materials question. (Mechanical Engineering)
Civil Engineering
A steel shaft in the form of a solid body circular rod or a circular tubecan be manufactured. The shaft is required to bear 1200 N.m of torsional torque. Anti-shear stress for shaft material 40 MPa, largest permissible unit torsion angle in the rod 0.75 ^ 0As / m and steel's shear modulus is G = 78 GPa;a) Find the required diameter d0 for a solid circular shaft.b) Find the required outer diameter d2 for a ring-section shaft whose thickness is one tenth of the outer diameter.c) Find the diameter ratio (d2 / d0 ratio) and the weight ratio for ring cross section and solid section shafts. please solve carefully and in detail thank you
submit to blackboard. 1- The stress-strain diagram for human tendon having an original diameter of 0.8 cm. and an initial length of 3 cm. is given in the figure. a) Determine approximately the modulus of elasticity for the material (E?). b) Determine the load (Pvield) on the specimen that causes yielding (make sure to include the yielding stress (o,) in the answer). c) Determine the ultimate load (Pultimate) the specimen will support (make sure to include the ultimate stress in the answer). MPа 70 60 50 40 30 20 10 10-3 80 & 0. 20 40 60 (Ans: because it needs reading from a graph and the final answer is estimation and not unique, the final results are not given)
The 100 mm diameter steel bar is bored to 50 mm diameter over half its length as shown in Figure Q2. Under an axially applied torque, T the depth of plastic penetration in the hollow shaft section is 20 mm. The shear yield stress of the tube material is given as 280 MPa. a) Find the magnitude of torque applied to the shaft b) Show the state of condition (elastic, partial plasticity or fully plastic) in the solid shaft c) Calculate the depth of plastic penetration in the solid shaft, if any d) Sketch the shearing stress distribution in the solid and hollow shafts 100 mm 50 mm Figure Q2
Q4/ Answer one of A) A cylindrical rod of 16 mm diameter is made of plain carbon steel. It is subjected to axial load of 5000 N, a steady torque of 50 N-m and bending moment of 75 N-m. Using the theories of failure to calculate:- 1) The factor of safety available. Assume yield strength as 400 MPa for plain carbon steel. And then comment on the result you get. 2) The maximum yield strength of shaft material would be necessary using factor of safety of 1.686.
b) A hollow tube of cross-section as shown in Figure 2.2 is subjected to an axial tensile force of 100kN. If the tensile yield stress of the material is 280MN/m², use the von Mises yield criterion to determine if a torque of 6kNm can be applied without causing the tube to yield. * -50 mm 45 mm Figure 2.2: Hollow tube profile
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B) Two plates joined with straps and a single row of two rivets (or bolts). Rivets have a diameter of d=10 mm and all made of ductile steel having yield strengths in shear of ty = 160 MPa. What force (F) in kN can be transmitted across the joint based on rivet shear strength, take F.S=2 ? %3D Rivet diameter = 10 mm
1. The stress-strain diagram for a bar of steel alloy is shown. Determine: a) The modulus of Elasticity for the material b) The proportional limit c) The ultimate stress d) The modulus of resilience e) If the bar has a circular cross section with an initial diameter of 10-mm and is loaded to 260-Mpa, what will be the decrease in diameter under this load? Use v= 0.25 (MPa) Show complete solution.
100 N R 19 PO A S 50 KN Z 0.9m Im W 0.2m Figure 1: Representation of the Lamp Post with Bracket 0.85m Note that: Height (h)=6 Thickness (t)=20 Calculate the ff: a. Consider that you want to evaluate a very short segment of length AL that runs along the middle of bar SW. What is the deformation along x, y and z in terms of AL? Take the case of linear-elastic behavior. G = 75 gigapascals E is 185 gigapascals Figure 2: Detailing of the Pin Support at W
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