The following shaft is made of steel (Sut = 520 MPa, Sę = 260 MPa) and is subjected to 3 loads at C; an axial load P, a bending force F, and a torque T. The shaft is fixed at its left end A. A fillet of 2 mm radius exists at B. The loads fluctuate such that Fmin = 0 and Fmax = 90 N, Pmin = 0N and Pmax = 900 N, and Tmin = 0 and Tmax = 90 N.m. For the shaft, find the factor of safety for infinite life (using Case 3 safety factor calculation) at B. Assume all fatigue stress concentration factors are equal to 1. 20-mm diameter -16-mm diameter B A 1.2 m 0.8 m F 2 m Select one: O a. Nf = 0.75 O b. Nf = 2.11 O c. Nf = 1.76 O d. Nf = 1.30 The following shaft is made of steel (Sut = 520 MPa, Sę = 260 MPa) and is subjected to 3 loads at C; an axial load P, a bending force F, anda torque T. The shaft is fixed at its left end A. A fillet of 2 mm radius exists at B. The loads fluctuate such that Fmin = 0 and Fmax = 90 N,Pmin = 0N and Pmax = 900 N, and Tmin = 0 and Tmax = 90 N.m. For the shaft, find the factor of safety for infinite life (using Case 3 safetyfactor calculation) at B. Assume all fatigue stress concentration factors are equal to 1.20-mm diameter- 16-mm diameterBA1.2 m0.8 m F2 mSelect one:O a. Nf = 0.75O b. Nf = 2.11O c. Nf = 1.76O d. Nf = 1.30

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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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The following shaft is made of steel (Sut = 520 MPa, Sę = 260 MPa) and is subjected to 3 loads at C; an axial load P, a bending force F, and a torque T. The shaft is fixed at its left end A. A fillet of 2 mm radius exists at B. The loads fluctuate such that Fmin = 0 and Fmax = 90 N, Pmin = 0N and Pmax = 900 N, and Tmin = 0 and Tmax = 90 N.m. For the shaft, find the factor of safety for infinite life (using Case 3 safety factor calculation) at B. Assume all fatigue stress concentration factors are equal to 1. 20-mm diameter -16-mm diameter B A 1.2 m 0.8 m F 2 m Select one: O a. Nf = 0.75 O b. Nf = 2.11 O c. Nf = 1.76 O d. Nf = 1.30

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