Question: Q . 2 . A round key with a length of 2 0 mm is to be used to transmit a torque of 1 4

Q.2. A round key with a length of 20 mm is to be used to transmit a
torque of 140 Nm . The shaft diameter is 25 mm . The key material has
Ssy=160MPa and Sy=300MPa. Take safety factor (n) as 1. Assume
that the key is the weakest component in the system.
Find the minimum required diameter of the key.
Q . 2 . A round key with a length of 2 0 mm is to

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