The internal loadings at a critical section along the steel drive shaft of a ship are calculated to be a torque of 2300 lb · ft, a bending moment of 1500 lb · ft, and an axial thrust of 2500 lb, If the yield points for tension and shear are σY = 100 ksi and τY = 50 ksi, respectively, determine the required diameter of the shaft using the maximum shear stress theory.
Prob. 10−91
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