What is the nominal shear stress at the surface

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Reference no: EM131377448

A 2-in.-diameter steel propeller shaft of an experimental high-speed boat transmits 2500 hp at 2000 rpm. Bending and axial loads are negligible.

(a) What is the nominal shear stress at the surface?

(b) If a hollow shaft of inside diameter 0.9 times outside diameter is used, what outside diameter would be required to give the same outer surface stress?

Reference no: EM131377448

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