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The second law of thermodynamics is sometimes cited in publications of disciplines far removed from engineering and science, including but not limited to philosophy, economics, and sociology. Investigate use of the second law in peer- reviewed nontechnical publications. For three such publications, each in different disciplines, write a three- page critique. For each publication, identify and comment on the key objectives and conclusions. Clearly explain how the second law is used to inform the reader and propel the presentation. Score each publication on a 10-point scale, with 10 denoting a highly effective use of the second law and 1 denoting an ineffective use. Provide a rationale for each score.
the pressure in a partially evacuated enclosure is 26.8 in hg vacuum when the local barometer reads 29.5 in hg.
A constant-volume tank contains 10 lbm of ammonia initially at 30 lbf/in^2 and 80(deg)F (539.67(deg)R). The ammonia is then cooled until its pressure drops to 10 lbf/in^2. Determine its entropy change from the initial state to the final state.
a rectactangular surface is placed in a vertical position in fresh water with its top and bottom edges horizontal. if
a cheese firm produces two types of cheese swiss cheese and sharp cheese. the firm has 60 experienced workers and would
a turning operation calls for a single pass on a 3 diameter part down to 2.800 on a lathe using a hss high speed steel
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec. Find the final condition of steam and the pipe diam..
a deep freezer for hazardous chemicals is to be maintained at -20of to insure a safe environment for the chemicals. the
determine the maximun concentrated load that can be applied at the midpoint of a 3-m simple span. Neglect the weight of the beam.
the ocean thermal energy conversion otec power plant takes advantage of the temperature difference between ocean
the water in a large lake is to be used to generate electricity by the installation of a hydraulic turbine-generator at
A cylindrical specimen of a titanium alloy having an elastic modulus of 107 GPa and an original diameter of 4.0 mm will experience only elastic deformation when a tensile load of 1,500 N is applied. Find the maximum length of the specimen before defo..
a gas power cycle compresses air at 1 bar and 300 k state 1 through an adiabatic reversible compressor to 6 bar state
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