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A 406 mm diameter solid steel shaft in a reciprocating engine develops 7150 kW. The maximum stress allowed is 60 MN/m and the maximum

A 406 mm diameter solid steel shaft in a reciprocating engine develops 7150 kW. The maximum stress allowed is 60 MN/m and the maximum to mean torque ratio is 1.75:1. Calculate the rpm of the engine.

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