A disc clutch is required to transmit 5 kW at 2000 rpm. The disc has a friction lining with the coefficient of friction 0.25. The bore radius of the friction lining is 25 mm. Assume uniform contact pressure of 1 MPa. The value of outside radius of the friction lining in mm is:
1
59.3
2
39.4
3
29.6
4
49.5