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One of your classmates claims to have invented a flow device to increase the superheat of steam. His claim is that he can feed steam at 0.15 MPa and 150°C and obtain steam at 250°C and 0.1 MPa. The device also yields water at 100°C and 0.1 MPa. The ratio of product steam to product water is 10:1. No heat or work is added to system but some heat loss may occur. a) Based of Thermodynamic considerations, does this system work? b) What kind of equipment is used in this device? c) What is the thermodynamic limit to the product steam to water ratio?
a piston-cylinder arrangement initially contains water at p 300 psia and t 500of. the piston is moved to a final
the wall of a heat exchanger receives a variable heat flux as shown in the figure. the heat flux is q dot of second
Draw conclusions concerning the process, and relate your interpretation to the possible existence of chance and assignable causes of variation.
Determine the minimum distance from a 50 ft height building from which the ball can be thrown and not hit the side of the building , but it may land on the roof depending upon how long the building is.
an insulated tank containing 0.4 m3 of saturated water vapor at 500kpa is connected to an initially evacuated
However, even when the cylinder is pressurized, the torque T is still sufficient to keep the seam closed so that no water leaks out. Determine the angle theta degrees that requires the minimum torque T to keep the seam closed. (Hint: use Mohr's ci..
Calculate the deflection from torsional moment Mt and bending moment Mb and, then discuss the deflection from the torsional moment Mt compared to the result of 2-1)
The heat transfer convection coefficient between the wall and the fluid is 500 W/m2.K. Find the maximum temperature in wall.
problem 1 air at 29.5ordmc db flows over a cooling coil and leaves it at a state of 13ordmc db and 8.5 gkg absolute
saturated liquid water at 25 degrees c is pumped to a pressure of 5 mpa in an isothermal process. the specific work
we are separating a mixture of methanol and water in a flash drum at 1atm pressure. using the equilibrium data feed
For the pendulum shown in the figure,the restoring torque due to gravity is given by T=mgLsin(thita). Derive the linearised equation about the operation point thita=0.
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