220F09_torsion

220F09_torsion - Name: _ Section: _ Problem #1: A hollow...

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Name: _____________________________ Section: __________ Problem #1: A hollow cylindrical steel shaft (G = 75 GPa) is fixed at its base and subjected to a torque T at the free end. The shaft has an outer radius of 45 mm and an inner radius of 30 mm. Determine the maximum value of the torque if the angle of twist is limited to 3 ° and if the shear stress is limited to 85 MPa.
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Name: _____________________________ Section: __________ Problem #2 (35 points): The solid spindle AB is connected to the hollow sleeve CD by a rigid plate at C. The spindle is composed of steel (G s = 11.2 x 10 6 psi, τ max = 12 ksi) and has a diameter d s = 1.75 in. The sleeve is made of brass (G b = 5.6 x 10 6 psi, τ max = 7 ksi) and has an outer diameter d o = 3 in and a wall thickness t = 0.25 in. Determine: (a) The largest torque T that may be applied at A. (b) The total angle of twist at end A.
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Section: __________ Problem #3 (35 points): A 7.5-ft-long solid steel shaft (G = 11.2 x 10 6 psi) is to transmit 15 hp at a speed of 1500 rpm. The shaft is limited to an allowable shearing stress of 4.5 ksi and an allowable angle of twist of 4 degrees. Determine: (a) The power transmitted by the steel shaft in units of in-lb/sec (Note: 1 hp = 33,000 ft- lb/min). (b)
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This note was uploaded on 02/15/2010 for the course ENES 220 taught by Professor Staff during the Spring '04 term at Maryland.

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220F09_torsion - Name: _ Section: _ Problem #1: A hollow...

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