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The design of a machine element calls for a 40-mm-outer-diameter shaft to transmit 43 kW. If the speed of rotation is 740 rpm, determine (a)

The design of a machine element calls for a 40-mm-outer-diameter shaft to transmit 43 kW. If the speed of rotation is 740 rpm, determine

(a) the maximum shear stress in shaft (a).

(b) the maximum shear stress in shaft (b) with inner diameter 22 mm.

(a) 40 mm (b)

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