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Steady-state creep rate data are given for an alloy taken at 474 K with the activation energy for creep of 140,000 J/mole. Compute the steady-state creep rate at a temperature of 523 K and a stress level of 48 MPa.
Data
E= 2.5e-3 h-1 when stress= 55 MPa
E= 2.5e-2 h-1 when stress= 69 MPa.
Two control rods are attached at A to lever AB. Using trigonometry and knowing that force in the right-hand rod is F2=20 lb, determine a.) the required force F1 in the left-hand rod if the resultant R of the forces exerted by the rods on the le..
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An electronics company has a contract to deliver
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