Multiple choice

A disk clutch is required to transmit 5 kW at 2000 rpm. The disk has a friction lining with coefficient of friction equal to 0.25, bore radius of friction lining is equal to 25 mm. Assume uniform contact pressure of 1 MPa. The value of outside radius of the friction lining is

  1. 39.4 mm

  2. 49.5 mm

  3. 97.9 mm

  4. 142.9 mm

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A Correct answer
Explanation