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A column is axially loaded in compression. The ends were specified to be fixed, but because of a manufacturing error they had one end fixed and the other end pinned. Calculate the buckling loads for the 5 ft-long columns made of 6061-T6 aluminum alloy having a solid, square cross section with 2-inch sides for the two end conditions and determine the percentage by which the buckling load is decreased because of the manufacturing error.
a cylindrical bioreactor of diameter 3 m has four baffles. a marine impeller mounted in the reactor has a diameter 13
describe one method for manipulation of microstructure and mechanical properties for each of the following class of
Find the moment of inertia and natural frequency of a vertical cantilever pipe 12 feet tall with outer diameter of 4.5 inches and an inner diameter of 4.25 inches.
A crate of mass 10kg is placed on a ramp elevated at 30 degrees from the horizontal. The ramp is 2m long. The coefficient of static friction is .4 and coefficient of kinetic friction is .3. At the low end of the ramp and oriented parallel to it is a ..
The loads are service loads, and the distributed load includes the beam weight. The clear span is 24′-4″. Use f′c = 4000 psi; the reinforcing steel is A615 Grade 60. Design shear reinforcing for the beam.
a block of mass 100 kg is sliding across a rough flat surface with coefficient of friction mu 0.6 between the block and
Suppose that the Fermi level is 0.50 eV equation 23.15 below the conduction band in a certain semiconductor. Estimate the density of conduction electrons in the conduction band for temperatures of 50 K, 200 K, and 600 K.
A bellows may be modeled as a deforming wedgeshaped volume as in Fig. P3.31. The check valve on the left (pleated) end is closed during the stroke. If b is the bellows width into the paper, derive an expression for outlet mass flow as a function o..
A rigid tank with a volume of 1.8 m3 contains 15 kg of saturated liquid-vapor mixture of water at 2 bar. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized. Show the process on a T-v diag..
A 50-mm-diameter solid steel shaft is subjected to an axial compressive load of 225 kN and a torque (twisting moment) of 3400 N⋅m.- Calculate the principal stresses and the maximum shear stress on an element on the surface of the shaft.
gears are used to increase and decrease rotational speed and according to this relation v ramp969amp160we can say that
the 2.4m wide portion abcd of an inclined cantilevered walk-way is partially supported by members ef and gh. knowing
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