101the three shafts if the diameter ratio is 2 (D/d = 2)? Ans.na, tension = 1.21, na, bending = 1.19, na, torsion = 1.17.6.32 A material with a yield strength of S₁ = 350 MPa issubjected to the stress state shown in Sketch c. What isthe factor of safety based on the maximum shear stressand distortion energy theories? Ans. For MSST, n, =11.67.50 MPa85 MPa20 MPa70 MPaSketch c, for Problems 6.32 and 6.33

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Answered: 101 the three shafts if the diameter…

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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A part is loaded with a combination of bending, axial, and torsion such that the following stresses are created at a particular location:Bending: Completely reversed, with a maximum stress of 60 MPaAxial: Constant stress of 20 MPaTorsion: Repeated load, varying from 0 MPa to 70 MPaAssume the varying stresses are in phase with each other. The part contains a notch such that Kf,bending = 1.4, Kf,axial = 1.1, and Kf,torsion = 2.0. The material properties are Sy = 300 MPa and Su = 400 MPa. The completely adjusted endurance limit is found to be Se = 160 MPa. Find the factor of safety for fatigue based on infinite life, using the Goodman criteria. If the life is not infinite, estimate the number of cycles, using the Walker criterion to find the equivalent completely reversed stress. Be sure to check for yielding.
1) A 35 mm diameter shaft operating at 2000 rpm transmits 1000 kW. The bending and axial loads on the shaft are negligible. a. What is the shear stress on the surface of the shaft? b. You are considering using a hollow shaft with an inside diameter 0.8 times the outside diameter. What outside diameter would be required to give the same outer surface stress? c. How do the weights of the solid and hollow shafts compare? d. Sketch Mohr's circle and find the principal stresses for both cases.
= A shaft of circular cross-section with diameter 100 mm is sub- jected to a bending moment of M = 10 kN.m, torque T = 30kN.m, and axial load F = 50 kN. Consider for the material of the shaft a yield strength of oy 750 MPa. Determine the design factor of safety using Tresca and von Mises Theories. Hint: find the point in the shaft that would be subjected to the largest stresses caused by the forces applied. Refer the the lecture. Example of Tresca with the inclusion of safety factor: 01 - 03 2 Where N is the safety factor. = бу 2N
A part is loaded with a combination of bending, axial, and torsion such that the following stresses are created at a particular location: Bending - Completely reversed, with a maximum stress of 60 MPa Axial - Constant stress of 20 MPa Torsion - Repeated load, varying from 0 MPa to 50 MPa Assume the varying stresses are in phase with each other. The part contains a notch such that Kibending = 1.4, Kaxial = 1.1, and K. = 2.0. The material properties are Sy = 300 MPa and S, = 400 MPa. The completely adjusted endurance limit is found to be Se= 200 MPa. Find the factor of safety for fatigue based on infinite life. If the life is not infinite, estimate the number of cycles. Be sure to check for yielding. f,torsion
Please solve all part's correctly
Let FA=100 N and FC= 208.33 N for the shaft below. The shaft is made of 2014 aluminum alloy with yield strength of 276 MPa. a) Based on the von Mises theory (use design safety factor of 4), select the shaft's cross-sectional dimension. What is the realized factor of safety? b) Based on the maximum shear stress (MSS) theory (use design safety factor of 4), select the shaft's cross-sectional dimension. What is the realized factor of safety?
A thin-walled cylindrical tube with internal diameter and thickness of 50 mm and 0.5 mm, respectively is pressurized to 2 MPa. During installation, the cylindrical tube is also subjected to a bending moment of magnitude 10 N-m. The tube is made of aluminum alloy with the yield strength of 85 MPa.i) Calculate the stress state at the critical material point of the tube.ii) Determine if the loading would cause failure by yielding, based on the Tresca and von Mises yield criterion. Sketch the loci of the yield criteria in the principal stress axis and indicate the stress condition.
1. A steel shaft is subjected to a fluctuating torque, T, as shown below. All surfaces are machined, reliability is 50%, and temperature is 200 F. Material properties are Su = 162 ksi and Sy = 138 ksi. 1.2 in. dia. 1.0 in. dia. Ꭲ 0.1 in R T プ 1 in. dia, hole 0.1 in R a) Find o em' σ for this loading condition. ea b) If the loading is such that 7000 lb-in. 3000 lb-in. 0 increases proportionally, find the safety factor for 10° cycles. σ em
Write legibly, provide manual step by step solution, and diagram for below given problem. A 50cm diameter solid shaft is desired to replace a hollow shaft havng 75cm outside diamter. Consider the strength to be the same, determine the inside diameter of the hollow shaft. Ans. 68.69cm
Please help with all need items, analysis, element, mohir circle, wtc. Thank you.
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Problem 2. A 300-mm diameter solid disk is to be used as a flywheel in a machine to reduce speed fluctuations. If the disk material has yield strength S Y =720 MPa, density p=7000 kg/m^ 3 . and Poisson's ratio J = 0.2 ^ c , find the maximum allowable rotational speed (in rpm) for a safety factor of 1. a) Solve using the MSST. b) Solve assuming that the disk is mad of cast iron having Sut = 207MPa , Fuc = 780MPa, p = 7000 kg/m³, and Poisson's ratio v r = 0.26 , Use Coulomb-Mohr theory.

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