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Steam enters an adiabatic nozzle steadily, at 2.5 Mpa and 400°C with a velocity of 50 m/s and exits at 1 MPa and 380 m/s. If the nozzle has an inlet area of 65 cm2, determine:
a. The exit temperature.
b. The rate of entropy generation for this process, in kW/K.
air flows through a well-insulated nozzle operating at steady state. at the inlet the pressure is 5 bar the temperature
a. calculate the density of air in lbmft3 at standard conditions 75f and 14.7 psia assume m 28.9 lbmlb-mol.b.
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a simple steam power system has a turbine inlet state of 6.0 mpa and 540 0c and an exhaust pressure 0.008 mpa. the
A vapor-compression heat pump system uses R-134a as the working fluid. The refrigerant enters the compressor at 0.24 Mpa, 0 degrees Celsius, with a volumetric flow rate of 0.6m^3/min. The compression process is adiabatic to 0.9 MPa, 60 degrees Cel..
pump a can empty a tank in four hours while pump b takes only three hours to empty the tank. how long will it take to
A metal has an atomic radius of 0.125 nm, an atomic weight of 58.69 g/mol and a density of 8.9 g/cm3. Determine whether it has a BCC or an FCC crystal structure
the pump motor control relay is controlled by the following sensorsa position sensor to sense if the train car is in
determine the location Yc of the centroid C of the beam cross sectional area . then compute the moment of inertia of the area about the x axis.
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
the hybrid vehicle engine produces an average of 25 kw of power output and has an efficiency of 65. assume it runs 200
it is highly desirable to make benzene from ethane from shale gas in a continious vapor-phase reaction3c2h6 --gt c6h6
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