Q2_05F - ________ ft lb (b) What is the torque at the...

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ME 466 - Machine Design NAME _________________________________ Fall Semester, 2005 Quiz 2, 25 Points, Closed Book Input Output 1. (10 Points) A 120 volt electric motor runs at 1780 rpm and develops 2.0 horsepower and drives the input of the gear box shown. The gearbox provides a 4 to 1 speed reduction with a 95% efficiency. The output shaft rotates in the same direction as the input shaft (a) What is the torque at the input shaft?
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Unformatted text preview: ________ ft lb (b) What is the torque at the output shaft? ________ ft lb (c) What is the net torque which must be resisted by the gearbox support? ________ ft lb 2. (15 Points) Draw the shear force and bending moment diagram for the beam shown below. Identify the values of the maximum shear force and maximum bending moment. 12" 6" 250 lb/in 2000 in lb 6" 8" V max = ____________________ M max = ____________________...
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