### Required InformationA rotating shaft of 25-mm diameter is simply supported by bearing reaction forces \( R_1 \) and \( R_2 \). The shaft is loaded with a transverse load of 13 kN as shown in the figure. The shaft is made from AISI 1045 hot-rolled steel. The surface has been machined.**NOTE:** This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.#### Diagram ExplanationThe diagram illustrates a shaft supported by two bearings, \( R_1 \) and \( R_2 \). The diameter of the shaft is 25 mm. The shaft is subjected to a transverse load of 13 kN, positioned 200 mm from \( R_1 \) and 50 mm from \( R_2 \). The entire assembly portrays a shaft simply supported at two ends with a point load acting closer to one of the support bearings.- **Dimensions:** - Shaft diameter: 25 mm - Distance between \( R_1 \) and the point of load application: 200 mm - Distance between the point of load application and \( R_2 \): 50 mmThe shaft diagram is not to scale.### TaskDetermine the minimum fatigue factor of safety based on achieving infinite life.**The minimum fatigue factor of safety is: ___.**

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Requlred Information A rotating shaft of 25-mm diameter is simply supported by bearing reaction forces R,and R2. The shaft Is loaded with a transverse load of 13 kN as shown in the figure. The shaft Is made from AISI 1045 hot-rolled steel. The surface has been machined. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. -200 mm- 25 mm 13 kN 50 mm Not to acale

Requlred Information A rotating shaft of 25-mm diameter is simply supported by bearing reaction forces R,and R2. The shaft Is loaded with a transverse load of 13 kN as shown in the figure. The shaft Is made from AISI 1045 hot-rolled steel. The surface has been machined. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. -200 mm- 25 mm 13 kN 50 mm Not to acale

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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1. The steel shaft shown below has a hardness of 150 Bhn and experiences completely reversed torsion, T. The surface is machined, and a reliability of 50% is required. If a 1.5 safety factor is desired, calculate the reversed torque, T, to guarantee that the part will not fail under fatigue. 24 mm 2 mm rad. 0.8 mm rad. 20 mm 24 mm 150 Bhn
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.
Mechanical design The maximum load in a rotating shaft is subjected to bending moment of 1 kN.m and a torque of 1 kN.m. The member is made of steel the Ultimate Tensile Strength 440 MPa, Yield Tensile Strength 370 MPa. With a safety factor of 4, kt = km = 1.5 and keyway stress consternation is presented. According to the maximum shear stress theory, the shaft diameter will be: a. 160 mm b. 74 mm C. 145 mm d. 92.5 mm e. 60 mm f. 66 mm
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Solution: 2 of 4 Problem 2: The short cylindrical block of 2014-T6 aluminum, having an original diameter of 0.5 in. and a length of 1.5 in., is placed in the smooth jaws of a vise and squeezed until the axial load applied is 800 lb. Given young's modulus 10.6x10 psi and Poisson ratio equal to 0.35. a) Determine the decrease in its length b) Determine its new diameter. 800 Ib 800 Ib Solution:
A pulley is keyed to a 28 mm steel shaft with a 7 mm x 8 mm x 20 mm key. If the hub length is 20 mm and the allowable crushing stress for the key material is 105 MPa, How much torque can be transmitted in kN-m?
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