Determine final temerature and specific work
Air within a piston-cylinder assembly initially at 12bar, 327 degree celcius undergoes an isentropic expansion to 1.4bar. modeling air as an ideal, determine:
a, the final temerature
b, the specific work in KJ/Kg
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Sales of bottled water in the U.S. totalled 16.3 gallons per personin 2004. Evian Natural Spring Water costs 40 cents perbottle. A municipal water utility provides tap water for$2.10 per 1000 gallons.
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A 16.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface and the block are 0.880 and 0.640, respectively.
Stan accelerates from a standing start at 2 m/s2 and one second later Kathy accelerates from a standing start at the same position at 4 m/s2. (a) How long does it take Kathy to catch Stan? (b) What is Kathy's displacement when she catches Stan? (c
Air within a piston-cylinder assembly initially at 12bar, 327 degree celcius undergoes an isentropic expansion to 1.4bar. modeling air as an ideal, determine the final temerature.
An ecologist wishes to mark off a circular sampling region having radius 10 meters. However, the radius of the resulting region is actually a random variable R with probability density function:
Helium at 810 R, 45 Ibf/in^2, and a velovity of 10 ft/s enters an insulated nozzle operating at steady state. Determine rate of entropy production (deltaS) within the nozzle in Btu/lbm.R
Define internal control, what are the objectives of internal control? What is the difference betweeninternal control and internal check?
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