Engineering, 28.06.2020 02:01 lanettejohnson355
The step shaft is subjected to a torque of 710 lb·in. If the allowable shear stress for the material is τallow = 12 ksi, determine the smallest radius at the junction between the cross sections that can be used to transmit the torque.
Answers: 3
- Torque, measured in 
.
- Radius of the cross section, measured in inches. 
- Torsion module, measured in quartic inches. 
- Torsional shear stress, measured in pounds per square inch. 
is the diameter of the cross section, measured in inches.
![D = 2\cdot \sqrt[3] {\frac {2\cdot T}{\pi\cdot \tau}}](/tpl/images/0696/3602/ea377.png)
and 
, then:![D = \sqrt[3]{\frac{2\cdot (710\,lbf\cdot in)}{\pi \cdot (12000\,psi)} }](/tpl/images/0696/3602/ed752.png)
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The step shaft is subjected to a torque of 710 lb·in. If the allowable shear stress for the material...
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