# Quiz3 - INME 4019 Quiz 3 Home-A torque of 40ft-lb is...

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INME 4019 – Quiz 3 – Home -------------------------------------------------------------------- A torque of 40ft-lb is applied through gear A to the left end of the gear train shown. The diameters of gears B and C are 5in and 2in respectively. If the maximum shear stress in aluminum (G=3800ksi) is limited to 15ksi, determine (a) minimum permissible diameter for shaft AB, (b) minimum permissible diameter in shaft CD and (c) maximum length for shaft CD if the rotation of D with respect to C must not exceed 0.5rad. ---------------------------------------------------------------------------- A torque of magnitude T=4kN-m is applied at end A of the composite shaft shown. Knowing that the G Al =27GPa and G Steel =77GPa, determine The maximum sharing stress in the steel core and in the aluminum jacket and the angle of twist at A.

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---------------------------------------------------------------------------------------------------- For the compound shaft shown, determine the magnitude of the rotation angle of pulley D with respect to pulley B . -------------------------------------------------------------------------------- The design of the gear-and-shaft system shown requires that steel shafts of the same diameter be used for both AB and CD. It is further required that τ Max <=60MPa and that the angle through which end D of shaft CD rotates not exceed 1.5 O . Knowing that G=77GPa, determine the required diameter of the shafts.
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