7.10 A shaft ABC rotates at 600 rev/min and is driven through a coupling at the...

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7.10 A shaft ABC rotates at 600 rev/min and is driven through a coupling at the end A. At B a pulley takes off two-thirds of the power, the remainder being absorbed at C. The part AB is 1.3 m long and of 100 mm diameter, BC is 1.7 m long and of 75 mm diameter. The maximum shear stress set up in BC is 40 MN/m. Determine the maximum stress in AB and the power transmitted by it, and calculate [16.9 MN/m; 208 kW; 1.61] the total angle of twist in the length AC. Take G = 80 GN/m. 7.10 A shaft ABC rotates at 600 rev/min and is driven through a coupling at the end A. At B a pulley takes off two-thirds of the power, the remainder being absorbed at C. The part AB is 1.3 m long and of 100 mm diameter, BC is 1.7 m long and of 75 mm diameter. The maximum shear stress set up in BC is 40 MN/m. Determine the maximum stress in AB and the power transmitted by it, and calculate [16.9 MN/m; 208 kW; 1.61] the total angle of twist in the length AC. Take G = 80 GN/m.

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