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A vertical prismatic bar of length Land weight y per unit volume hangs from one end. The stress-strain relationship for the material is σn = B?, where n and Bare constants.
(a) Determine the elongation δ of the bar by evaluating the complementary energy and using the Crotti-Engesser theorem.
(b) Determine the elongation δ by the unit-Ioad method.
i water vapor enters a turbine at p1 5 bar t1320oc and exits at p2 1 bar. the work generated is measure as 250 kj per
a desktop computer is to be cooled by a fan. the electronic components of the computer consume 60 w of power under
1 A simple cycle stationary gas turbine has compressor and turbine efficiencies of 0.85 and 0.9, respectively, and a compressor pressure ratio of 20. Determine the work of the compressor and the turbine, the net work, the turbine exit temperature,..
the king and his two children are imprissoned at the top of a tall tower.stonemasons have been working on the tower and
If the greater principal stress is limited to 100MN/mZ tensile, determine: the value of the shear stress; and the other principal stress
Discuss typical material properties such as yield strength, ultimate strength, percent elongation, etc. What type of loading(s) (tensile, compression, torsion, combined) are the part subjected to during normal use
A compressor is employed to compress gas flowing steadily through it. The gas enters the compressor at a temperature of 16°C, a pressure of 100 kPa, and with an enthalpy of 391.2 kJ/kg. The gas leaves the compressor at a temperature of 245°C, a pre..
two 5 cm diameter 15 cm long aluminum bars k 176 wmk with ground surfaces are pressed against each other with a
the azimuth from station a of a link traverse to an azimuth mark is 212o 12 36. the azimuth from the last station of
It is desired to deliver 250 gal/min of ethyl alcohol at 77°F from tank A to tank B in the system shown in Fig. 11.30. The total length of pipe is 110 ft. Compute the required pressure in tank A.
Critical evaluation and comments by the student on the usefulness of the training and its relevance to university education, Safety and environmental procedures adhered to within the industry.
an ideal carnot heat engine has an efficiency of 40. if the high temperature is raised 15 what is the new efficiency
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