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A closed, rigid, stationary and adiabatic pressure vessel initially contains two-phase H_2O at a pressure of 175 kPa and a quality of 0.22036. The initial volume of the pressure vessel is 9.009 m^3. A mechanical stirrer adds energy as work to the contents of the pressure vessel until the final pressure of the steam is 1.80 MPA. Determine the entropy generation and the work transfer to or from the steam. Is the process irreversible, reversible, or impossible?
In a refrigerator 1 kW is removed from the -10 degree C cold space and 1.3 kW is moved into the 30 degree C warm space. Find the exergy fluxes including direction associated with the two heat transfers.
The velocity profiles at locations x=0.1, 0.30 and 0.5. Plot contours of u-velocity and v-velocity. How many iterations did it take to get your solution?
in an ore-mixing operation, a bucket full of ore is suspended from a traveling crane which moves along a stationary bridge. the crane is traveling at a speed of 3m/s when it is brought to a sudden stop. Determine maximum horizontal distance throug..
the number of women-years of exposure is less than for established methods and all available evidence should be
Calculate the heat transfer per kilogram of air between sections (1) and (2), and the stagnation pressure at section (2).
give a proposed design and analysisnbspprincipal features and working principle of any mechanisms using diagrams to
A turbine salesman makes the following claim for one of his products: Steam enters a steady-flow adiabatic turbine at 4 MPa, 600 °C with negligible velocity and exhausts at 200 kPa with a velocity of 180 m/s
Determine the diameter of the shaft using TRESCA and Von Mises-Henky failure
A 50 hp motor with an efficiency of 0.80 is to be replaced by a newer model motor with an efficiency of 0.90. The motor is expected to operate 3000 hours per year. The cost of electricity in our area is $0.06 per kWhr.
the concrete slab of the basement is 11 m long 8 m wide and 0.20 m thick. during the winter temperatures are nominally
Name products that are manufactured using these processes and write two sentences on why you know it's made from this process.
Mechnical Vibration Analysis, How do I deduce the value of the viscous damping factor? How do I deduce the value of the viscous damping coefficient c?
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