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Air is compressed in an isentropic process from an initial pressure and temperature of P1 = 90 kPa and T1 = 22 oC to a final pressure of P2 = 900 kPa. Determine:
a. The final temperature of the air.
b. The work done per kg of air during the process.
saturated liquid refrigerant r-134a at 11.59 bar enters an adiabatic throttling valve which drops the pressure to 4.00
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Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.16 mm and that has a tip radius of curvature of 0.002 mm when a stress of 1..
calculate the speed of an iceberg driven by wind on its exposed not submerged surface. model the iceberg as a cylinder
a large stationary diesel engine produces 15 mw with a thermal efficiency of 40. the exhaust gas which we assume is air
in a condenser of a steam power plant the lake water is used as a coolant for the condensing steam. steam enters at 10
An epoxy matrix composite containing both HS (such as T-300) carbon fiber and E-glass fiber is to be formulated such that the cost/ kg is to be equal $ 8.00/ kg. It is desired to keep the total fiber volume fractionequal to 60 %. What are the requ..
The piston is then move in,and heat is rejected bt the air reversibly at constant pressure until the volume is the same as it was initially.Calculate the net heat flow and the overall change of entropy.sketch the process of p-V and T-s diagram.
high density polyethylene may be chlorinated by inducing the random substitution of chlorine atoms for hydrogen.a
a machine part of mass 1.95 kg vibrates in a viscous medium. determine the damping coefficient when a harmonic exciting
the flow curve for austenitic stainless steel has the following parameters strength coefficient 1200 mpa and
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