1. Discuss, in significant details the following theories of failure for shafting design;• Maximum Shear Stress Theory (MSST)• Distortion energy theory (DET)• Coulomb mohr theory (CMT)• Octahedral friction theory (OSST)• Internal friction theory (IFT)Maximum normal stress theory (MNST)

Answered: 1. Discuss, in significant details the…

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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I keep getting a massive inner diameter for this how do I solve it?
Which statement below is incorrect about a shaft in torsion? The angle of twist for a solid tube is proportional to the length of the tube proportional to the torque T inversely proportional to the shear modulus G inversely proportional to the square of its radius
(7) The shaft shown is machined from C1040, OQT (oil-quenched treatment) @ 1,000°F. It is subjected to a torque that varies from zero to 10,000in-lb. (F = 0). Let r = 0.2D and N = 2. (a) Compute D. (b) What is the maximum torsional stress in the shaft?
I have a 52100 steel hollow shaft, that will be threaded into a 1 inch thick plate of aluminum 7075. The shaft is 960 mm in length, 40 mm OD and 20 mm ID. The threaded end of the shaft is M30X3.5. What would be the recommended torque for the shaft, with the dissimilar metals. I’m expecting a range between 100-280 ft-lbs but can justify it.
Hi, I need help with this question.
Find the diameter of a shaft made of (37 Mn 2 steel) having the ultimate tensile strength as (600 MPa) and yield stress as (440 MPa). The shaft is subjected to completely reversed axial load of (200 kN). Neglect stress concentration factor and assume surface finish factor as (0.8). The factor of safety may be taken as (1.5). (After the diameter was found, correct it for the actual size factor). mechanical design pls solve fast
A 2" diameter shaft with a radial hole of 0.5" dia. is made of steel whose BHN=186. What is its fatigue-strength reduction factor if the shaft is to be subjected to pure torsion?
A motor is used to drive a gear assembly at 200 rpm. The main gear is in the center of a 1 m long (0.5 m to the left and right of the gear) 50 mm diameter solid circular shaft, and power is taken from the two shaft ends. 25 kW is taken on the left end and an unknown amount of power is taken at the right end. the torque to the left side of the gear is? maximum shear stress to left of gear? If the maximum shear stress on the shaft to the right of the gear is 125 MPa, approximately how much power is being drawn off from the right side of the shaft? The shaft can be made from 6061-T6 aluminum. It has adequate strength to withstand the loading conditions in the scenario, including the loading on the right side of the shaft. true or false?
2. A 1020 CD steel shaft (Sy=390 MPa) is used to transmit 20 kW of power at 1200 rpm. There are no bending or axial loads on the shaft. It is desired to have a static factor of safety of 2 based on the Distortion Energy theory. Determine the minimum diameter needed for the shaft. Power, P= To Pure torsion, relationship between T and t Torsional stress
1) A stepped steel shaft, shown below, is used in a spur gear reducer. The shaft is subjected to a constant axial stress (A=40 MPa), a constant bending moment that results in a variable stress (M=60 MPa) due to loads by bearings and gears, and a steady torque (T-80 MPa). However, these stress values do not take into account stress concentration factors. The shaft has a D=45 mm, d=30 mm, and r=6 mm, resulting in kr,bend=1.34, Kr,axial=1.48, and kf,tor 1.2. The shaft is made of steel with S₁=1006 MPa, S,=648 MPa, and H₂=229. The size of the shaft results in a gradient factor of CG=0.9. The shaft has a fine-ground finish. A 90% reliability is required. Verify the stress concentration factors are correct for this shaft geometry. Calculate the safety factor relative to infinite life (105 cycles). If the safety factor is less than one (i.e., shaft fails), find the number of cycles to failure. (60) M

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