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A closed, rigid container encloses 1.50 kg of air at 0.100 MPa and 20.0°C. We wish to increase the temperature to 40.0°C by heat transfer.
Assuming constant specific heat ideal gas behavior, determine (a) the irreversibility and (b) the change in total availability of the air when this change of state is accomplished using a constant system boundary temperature of 100.°C and the local environment is at 0.101 MPa and 20.0°C.
a piston cylinder device contains 1 kg of liquid water at 200kpa and 25 deg c. heat is added to the water in the
Design a reservoir for an industrial machine tool application. The machine runs continuously for 8 hours a day. The pump delivers 20 gpm with no heat exchanger in the circuit. The components and lines hold 5 gallons of fluid. (Note: .134 ft^3= I gall..
a mixture of methane and air is flammable only if the mole percent of methane is between 5 and 15. a mixture containing
Find the torque T on the conductor segment about an origin at point P (1,0,0) as a function of l(i.e. the solution will be an equation for T as a function of the parameter l).
Consider a very ductile material that begins to neck in tension at a true strain of 0.20. Necking causes an additional elongation that is approximately equal to the bar diameter.
where k is the coefficient of kinetic friction between the blocks and the ground. Also, what is the distance the blocks slide on the surface before they separate?
two tanks containing air are connected via a valve. the first tank is 0.5 m3 and contains air at t 25 oc and p 500
fully developed laminar flow occurs in a pipe line. the fluid in the pipeline has a dunamic viscosity of 0.08 nsm2 and
a steady flow air compressor takes 5.00 kgmin of atmospheric air at 101.3 kpa and 20.0degc and delivers it at an exit
Conceive, Design, Implement, Operate a vehicle in modern team-based environment. The vehicle will be powered solely by the energy of one standard-sized mouse trap and will enter a two-event competition
carbon dioxide gas enters a pipe at 3 mpa and 500 k at a rate of 2 kgs. the gas is cooled at constant pressure as it
oxygen tanks are filled by compressing the oxygen gas as shown. an initially evacuated 1 m3 tank is to be filled to
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