Question: Problem No. 3 (20 points) The motor delivers 40 HP while turning at a constant rotation of 1,200 rpm at A. Using the belt

Problem No. 3 (20 points) The motor delivers 40 HP while turning

Problem No. 3 (20 points) The motor delivers 40 HP while turning at a constant rotation of 1,200 rpm at A. Using the belt and pulley system this loading is delivered to the steel blower shaft BC. (a) Determine the smallest diameter of this shaft if the allowable shear stress for steel is Tallow = 10 ksi. Given: 1 HP = 550 lb-ft/sec. (b) Sketch the distribution of t in shaft BC for the torque in Part (a) 4 in. 2 in.

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