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Steam heated at constant pressure in a steam generator enters the first stage of a supercritical reheat cycle at 28 MPa, 520°C. Steam exiting the first-stage turbine at 6 MPa is reheated at constant pressure to 500°C. Each turbine stage has an isentropic efficiency of 78% while the pump has an isentropic efficiency of 82%. Saturated liquid exits the condenser that operates at constant pressure of 6 kPa. Determine the quality of the steam exiting the second stage of the turbine and the thermal efficiency.
consider a horizontal pipe with a constant diameter. water constant density p 1000 kgm3 enters the pipe at
(a) Draw and label a schematic of the system. (b) Determine the mass flow rate (kg/s) of water vapor neededand (c) the rate of exergy destruction (kW)
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a 0.2 m3 tank containing helium at bar and 22 c will be used to supply 4.5 moles per minute of helium at atmospheric
calculate the mass of mixture produced at the mixing stage, the mass jam produced from the kettle and the mass od water evaporated from the kettle.
the 30-mg freight car a and 15-mg freight car b are moving toward each other with the velocities va 20 kmh to the right
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Find Max Level Airspeed at 95% RPM and find Max Range Airspeed (VBR) and Max Endurance Airspeed (VBE) - find Max Specific Range and Max Range Airspeed
what is the rotation matrix for an object rotation of 30o around the z axis followed by 60o around the x axis and followed by a rotation of the y axis. all rotations are counter clockwise.
an ice chest is constructed of styrofoam k 0.033 wm?c with inside dimensions of 25 by 40 by 100 cm. the wall thickness
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