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A 15.9-kg aluminium block initially at 197 C is brought into contact with a 17-kg block of iron at 92 C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process.
A liquid has a density of 500kg/m^3 and a specific heat of .02 KJ/kg*K. The Liquid fills a rigid container, that is insulated ( no heat transfer ), from a line at P=313kPa and T = 135C. What is the final temperature of the liquid when the container i..
air enters a compressor operating at steady state with a pressure of 14.7lbfin2 and a volumetric flow rate of 8 ft3s.
a six-cylinder four-stroke spark-ignition engine operating on the ideal otto cycle takes in air at 14 psia and
A closed rigid, well-insulated tank contains 2 kg of saturated mixture of water at 159kPa. Initially, three-quarters of the mass in the tank is saturated liquid. An electric resistance heater placed in the tank is connected to a 11-V source and curre..
what do you understand by the term quantity with reference to vim? list three different base quantities and indicate
One kg of air in a piston-cylinder assembly undergoes two processes in series from an initial state where p1 = 0.5 MPa, T1 = 227oC. Constant-temperature expansion until the volume is twice the initial volume.
Air at a stagnation pressure 700kPa flows isentropic ally through a convergent-divergent nozzle. The design pressure at the nozzle exit is 56 kPa. If the back pressure is raised gradually, thereby creating a shock in the divergent portion of the nozz..
problem 1a plane stress element is subjected to stress componentssigmax 50 mpa sigmay -10 mpa and tauxy 40 mpa.1
A gas is contained in a piston of 5 m^3 at 100 KPa. Then the gas is compressed till its volume is reduced to 2.5 m^3. If there was no exchange of heat from the system during the compression process, calculate the work required for the compression and..
a four-cylinder spark ignition engine has a compression ratio of 8 and each cylinder has a maximum volume of 0.6l. at
a gas refrigeration system uses helium as the working fluid operates with a pressure ratio of 3.5. the temperature of
a horizontal beam ab with cross-sectional dimensions b 0.75 in x h 8.0 in. is supported by an inclined strut cd and
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