Academics – Applied Mechanics : 2019/MAR/08
Question
Q8. A hollow shaft drives a solid shaft of diameter 75 mm at a constant rotational speed of 250 rpm via a diametrically fitted shear pin as shown in Fig Q8. The output power is 11.5 kW and the maximum allowable shear stress within the pin is 70 MN/
Calculate EACH of the following:
(a) the diameter of the shear pin; (8)
(b) the minimum external diameter of the hollow drive shaft if the maximum angle of twist per unit length must not exceed 0.12°. (8)
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