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    Wooden beam under constant load at an angle

    A 150  200 mm wooden beam shown in Fig 9-4 (a) is used to support a uniformly distributed load of 4 kN (total) on a simple span of 6000 mm. The applied load acts in a plane making an angle, , of 20 with the vertical, as shown in Fig 9-4 (b) and again in Fig. 9-4 (c). Calculate the maximum bending stress

    Hollow shaft transmitting power with shear limits.

    (a) Design a hollow steel shaft to transmit 300 hp at 75 rpm without exceeding a shear tress of 8000 psi. Use 1.2:1 as the ratio of the outside diameter to the inside diameter. (b) What solid shaft could be used instead?