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A bronze sleeve, 0.040 in. thick, was mounted on a 2.000-in. diameter steel shaft by heating it to 100?C, while the temperature of the shaft was maintained at 20?C Under these conditions, the sleeve just ?t on the shaft with zero clearance. Find the principal stresses in the sleeve after it cools to 20?C. Assume that friction between the shaft and the sleeve prevents any sliding at the interface during cooling, and assume that the shaft is so massive and stiff that strains in the shaft itself are negligible. For the bronze, E = 16 × 106 psi, υ = 0.30, and α = 18.4 × 10-6 (?C)-1.
with what type of parametric property modifications and redefinitions made in one module such as a part mode are
a computer cpu chip operates at steady state with d-c electrical input of 4.5 amps at 9 volts. to prevent the chip from
1. if the average density of the sediments in the gulf of mexico is 2.17 gmcc and the water depth at the wellsite is
Write two second order differential equations which describe the forces on each mass. Do this in the comments of your code. (Hint: Newton's Law F=ma, Hooke's law F=-kx.,F=Force, m=mass, a=acceleration, k=spring constant, x=displacement from equili..
a iron has a bcc crystal structure an atomic radius of 0.124 nm and an atomic weight of 55.85 gmol. compute and compare
The reference voltage for a fuel cell at 80°C is Ev= 1.18 V. Assume any losses to be negligible and that the voltage at which it operates is the open circuit voltage; in reality, the voltage would be lower due to the current flow. What is the outp..
Boeing decides to make a wing component from an aluminium alloy. This material is known to have a plane strain fracture toughness of 45 MPa m^(1/2). During component analysis, it was determined that the processing technique produced materials exhibit..
A thermodynamicist is attempting to model the process of balloon inflation by assuming that the elastic casing behaves like a spring opposing the expansion as presented in the figure. As air is admitted, the spring is compressed.
Assuming that within metal crystals, the atoms can be considered as hard spheres in contact, sketch arrangement of atoms in a (100) plane, a (110) plane and a (111) plane of face-centered cubic structure. Determine the number of atoms contained wi..
if the head loss in 30 m 100 ft of 75 mm 3 in. pipe is 7.6 m 25 ft when a certain quantity of water flows therein what
a double effect evaporator is used in feed forward mode to produce fresh water from sea water vontaining 3.5wt
the pressure in the vein is known as 1850 Pa. what force must be applied to the plunger, so that 1.5 x 10^-6 m^3 of solution can be injected in 5.0 s?
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