Torques T 5 5.7 kN # m are applied to a hollow aluminum shaft (G 5 27 GPa and d1 5 52 mm). The allowable shear stress is 45 MPa and the allowable normal strain is 8.0 3 1024. The required outside diameter d2 of the shaft is approximately:



(A) 38 mm

(B) 56 mm

(C) 87 mm

(D) 91 mm


(D) 91 mm

Physics & Space Science

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