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A round bar having a length of 2 m and a diameter of 10 mm is made of an aluminum alloy for which the stressstrain diagram can be described mathematically by the following equation:
in which σ has units of megapascals (MPa). The shape of this stress-strain diagram is shown in the figure. The bar is axially loaded by tensile forces P = 20 kN, after which the loads are removed. What is the permanent set of the bar?
Resolve the problem below with the vertical edges constrained from displacing in x direction, but free to displace vertically. Determine the vertical displacement of the top edge and the stresses required to prevent the vertical edges from displacing..
Calculate pressure on side bars, thrust in the connecting rod and tangential force on the crank pin and (iv) turning moment on the crank shaft.
a pressure gauge reads 23.1 in hg inches of mercury vacuum i.e. -23.1 in hg gauge. the barometer reads 76.0 cm hg. what
Determine the mean effective pressure (in psia) of an ideal Otto cycle that uses air as the working fluid; its state at the beginning of the compression is 12.9 psia and 65oF; its temperature at the end of the combustion is 1,545oF; and its compressi..
superheated water vapor enters and insulated turbine operating at steady state at 20 bar and 400 degc and exits at 1.5
water flows through a horizontal pipe at a rate of 1gals. the pipe consists of two sections of diameters 4in and 2in
a laboratory glass bottle used in laboratory studies of hypoxia contains gas of the following composition expressed as
in a tensile test on a metal specimen true strain 0.08 at a stress 265 mpa . when true stress 325 mpa true strain
A column has the dimensions shown in the diagram below. What is the minimum length of the column at which buckling is likely to occur. If the column is the length determined in (a)
the overall volume compression ratio of a reversed carnot cycle working with air as a refrigerant is 10. the
determine the no2 emissions rate lbhr from a steam plant that uses sugar mill waste 3300 btulb to generate 1000 lb
Determine the factor of safety against net section yield in the presence of the crack and determine the factor of safety against brittle fracture for the same conditions.
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