The propeller shaft of a large ship has an outside diameter of 350 mm and inside...

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Mechanical Engineering

The propeller shaft of a large ship has an outside diameter of350 mm and inside diameter 250mm. the shaft is rated for a maximumof shear stress 62 MPa.

1) if the shaft is runnning at 500 rpm what is the maximum powerthat can be transmitted without exceeding allowable stress.

2) if the rotational speed of the shaft is doubled but the powerrequirements unchanged what happens to the shear stress in theshaft? calculate valures.

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