Determine the maximum ampacities the following copper conductors run in a raceway if there are not more than 3 conductors a) #3 T90 Nylon
b) #1 RW75
c) 00 TW

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.