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%3Cp%3EThe%20shear%20stress%20in%20the%20bolts%20connecting%20two%20shafts%20sho

ID: 2994636 • Letter: #

Question

%3Cp%3EThe%20shear%20stress%20in%20the%20bolts%20connecting%20two%20shafts%20should%20not%0Aexceed%204000%20psi.%20The%20shafts%20are%20subjected%20%3C%2Fp%3E%0A%3Cp%3Eto%20a%20torque%20of%20T%20%3D%2020000%20lb-in%20as%20shown%20where%20the%20dimension%20D%20%3D%0A8%20in.%20Determine%20the%20required%20size%26nbsp%3B%3C%2Fp%3E%0A%3Cp%3Ediameter%20of%20the%20bolts%20to%20the%20nearest%200.01%20in.%26nbsp%3B%3C%2Fp%3E%0A%3Cdiv%3E%0A%3Cp%3E%3Cimg%20class%3D%22user-upload%22%20src%3D%0A%22http%3A%2F%2Fmedia.cheggcdn.com%2Fmedia%252F32e%252F32ee7cff-f8eb-4765-a61d-64e24b03d37f%252FphpCVCIXT.png%22%0Aheight%3D%22217%22%20width%3D%22318%22%20%2F%3E%3C%2Fp%3E%0A%3C%2Fdiv%3E%0A

Explanation / Answer

shear stress = Tr/J

J = pi*d^4/32

4000 = 20000*8/J

J = 40

pi*d^4/32 = 40

d = 4.49 in