Question: Problem 4 . A 4 - ft - long steel shaft is to transmit 1 5 HP while rotating at 2 0 0 0 rpm

Problem 4. A 4-ft-long steel shaft is to transmit 15 HP while rotating at 2000 rpm . If the allowable shear stress is 7500 psi , determine the minimum diameter for a solid section and the corresponding angle of twist in degrees. The modulus of rigidity is G=11106.
Problem 4 . A 4 - ft - long steel shaft is to

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