A transmission shaft is supported on two bearings 450mm apart. Two pulleys C and D are located on the shaft at distances of 100mm and 300mm respectively to the right of the left hand bearing. Power is transmitted from pulley C to D. the diameter and weight of pulley C are 200mm and 600N and those pf pulley to be transmitted by the shaft is 25kW at 300rpm. The drive from C is vertically downwards while from D the drive is upward at an angle of 450 to the horizontal. The shaft is made of C45 steel, using Kb=1.5 and Kt=1.2. Design the shaft

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