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:

A disk clutch is required to transmit 5 kW at 2000 rpm. The disk has a

1.	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:
A.	39.4 mm
B.	49.5 mm
C.	97.9 mm
D.	142.9 mm
Answer» B. 49.5 mm