Question: A solid steel shaft is required to transmit (45 mathrm{~kW}) at (150 mathrm{rpm}). If the permissible shear stress is (75 mathrm{MPa}), find the diameter of

A solid steel shaft is required to transmit $45 \mathrm{~kW}$ at $150 \mathrm{rpm}$. If the permissible shear stress is $75 \mathrm{MPa}$, find the diameter of the shaft.

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