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A piston-cylinder assembly contains 2 lb of water initially at 100 psi and 400 F. The water undergoes two processes in a series, first a constant pressure process and then a constant-volume process. At the end of teh constant-volume process the temperature is 300 F and the water is a two phase liquid vapor mixture with a quality of 60%. Neglect changes in KE and PE
1) Sketch T-v and P-v diagrams showing the key states and processes.
2) Determine the work and heat transfer for each process all in Btu.
a wire of radius ri is coated by a process described above. it is fed to a reservoir filled with a newtonian fluid with
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Find the slope of the liquid surface in the can if the merry-go-round spins at 0.3 revolution per second.
a steel railroad track es200 gpa as11.7x10-6oc was laid out at a temperature of 6oc. determine the normal stress in the
Consider an ideal air-standard Otto cycle starting at 9 psia, 42 deg F, with a compression ratio of 12, and a specific heat addition of 240 Btu/lbm. Calculate the thermal efficiency, peak temperature, specific work output, and the temperature at the ..
r-134a at 20 psia and 40of is compressed slowly adiabatically and without friction to a final pressure of 200 psia.
danica traveling at a speed of 200 kmhr on a straight road applies brakes to her car at point a and reduces her speed
If an elevator starting from rest accelerates at 10 m/s^2 and then decelerates at -1 m/s^2 until it reaches the top floor at 100m, calculate the shortest time it takes for it to reach the top floor (ignore gravitational acceleration, assume g=0). plo..
A piston-cylinder assembly contains a two-phase liquid-vapor mixture of ammonia initially at 500 kPa with a quality of 98%. Expansion occurs to a state where the pressure is 150 kPa. During the process the pressure and specific volume are related by ..
Fluid is moving between two plates the top plate is moving with a velocity V, the distance between the plates is h, and the flow is completely horizontal; select the appropriate boundary condition of the viscous flow.
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