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Consider an adiabatic mixing chamber operating at steady state into which steam enters with quality of 0.9. Water enters through a separate inlet at 300C. At the exit the temperature is 1500C and mass flow rate is 2 kg/s. The pressure in the mixing chamber is 800 kPa. Determine the entropy production for the mixing process, in kW/K.(with Sketches)
a stone of 20 kg of mass is held 15 m above a tank containing 200 kg of water. the stone water and the air are at the
If there are two forces acting perpendicular to each other at the same pin, do they resolve together to determine bearing stress?
consider a compressor that receives saturated r-410a vapor at 0degc. the refrigerant leaves the compressor with a
What are the knot values? How many different curves is the B-spline curve composed of? Expand the B-spline curve equation to get the separate equations of the curves in b.
during january at a location in alaska winds at -23degf can be observed. several meters below ground the temperature
gas is sampled at atmospheric pressure from the exhaust manifold of an internal combustion engine and analyzed. the
air is compressed in the compressor of a turbojet engine. air enters the compressor at 270k and 58 kpa and exits the
p8mpa and t500 degc and leaves at 40 kpa as saturated vapor. if the flow rate is 11.1 kgs and the power generated by
Saturated liquid steam at 2 MPa steadily enters a valve where it is throttled to 0.3 MPa. The inlet and outlet diameter is 1 cm. The flow rate is 0.012 kg/s. Determine the outlet density [kg/m3] of the steam. Also show that it is reasonable to neglec..
an ideal diesel cycle with air as the working fluid has a compression ratio of 22 and a cutoff ratio of 2.5. at the
A fuel consisting of 20% ethanol and 80% isooctane on a molar basis is burned with air in an engine. Write the balanced chemical reaction when this reaction is stoichiometric. What is the air-fuel ratio?
Consider a square channel shown as blue color in the sketch operating under steady state conditions. The inner surface of the square channel is at a uniform temperature of 600 K, while the outer surface is exposed to convection with a fluid at 300 K ..
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