The hollow steel shaft (G=12 000000 Psi) must transmit a torque of 300000 lb-in. The total angle of twist must not exceed 3 degrees per 100 ft. the maximum shearing strength must not exceed 16000 Psi. (a) Find the inside diameter ”d” if the outside diameter is equal to 12 inches. (b) Find the maximum torsional shear stress and (c) Find the maximum torsional shear strain.

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Pressure and Stress