A steel pipe of 3.5-in. outer diameter is to be used to
Chapter 3, Problem 3.72(choose chapter or problem)
A steel pipe of 3.5-in. outer diameter is to be used to transmit a torque of 3000 lb?ft without exceeding an allowable shearing stress of 8 ksi. A series of 3.5-in.-outer-diameter pipes is available for use. Knowing that the wall thickness of the available pipes varies from 0.25 in. to 0.50 in. in 0.0625-in. increments, choose the lightest pipe that can be used.
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