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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 30 C. At the exit the temperature is 150 C 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.
a rankine cycle with regeneration has one open and one closed feedwater heat. steam leaves the boiler at 1400psi
hot air at 207 kpa and 200degc enters a 2.5-cm-id tube at 6 ms. the tube is constructed of copper with a thickness of
Design a bridge that will withstand 4 fully loaded semi-trailers
a short cylinder rho 8000 kgm3 k 400 wm-k cp 400 jkg-k 200 mm long and 80 mm in diameter is initially at a uniform
A rocket nozzle has a chamber pressure of 20 Bar (2 MPa) and a chamber temperature of 2750 K. The rocket is designed to operate isentropically at 12,500 m altitude. Note that the pressure at 12,500 m can be estimated using this equation P/P0 = exp [-..
A piston-cylinder assembly undergoes a cycle consisting of the following three processes: Compression with constant internal energy. Constant-pressure expansion with W_3-1=12.5 kJ
Knowing that the coefficient of restitution is 0.8 between B and C, and 0.5 between A and B, Determine the velocity of each car after all collisions have taken place.
an automobile tire with a volume of 0.5m3 is inflated to a gage pressure of 200 kpa. calculate the mass of air in the
derive an expression for the response of a reactor system that consists of two ideal cstrs connected in series when an
An aluminium casting 2 cm cubed is at 800 degrees Celsius and is to be air quenched in 30 degree Celsius air having convective heat transfer coefficient of 50 W/m^2*k determine
a 10-lb block b rests as shown on a 20-lb bracket a. the coefficients of friction are us0.3 and uk0.25 between block b
XYZ manufacturing department holding training class for all workforces due to safety and security concern. The average training day on the program is 50 days and the normally distributed random variable with standard deviation of 10 days.
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