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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

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

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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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
Transcribed Image Text: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
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