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Consider the piston and cylinder arrangement indicated in the figure, in which a frictionless piston with a cross-sectional area of 0.06 m2 rests on stops on the cylinder walls such that the contained volume is 0.03 m3. The mass of the piston is such that 300 kPa pressure is required to raise the piston against atmospheric pressure. When the piston has moved to a point where the contained volume is 0.075 m3, the piston encounters a linear spring that requires 360 kN to deflect it 1 m. Initially the cylinder contains 4 kg of saturated (two-phase) water at 35oC. The final pressure is 7 MPa. Determine the final state of the H2O and the work done during the process.
Mainframe computing used to be the only way to manage enterprise data. Then personal computers changed the data management scene. How do these two computing styles differ, and how did shift to PC-based computing evolve.
water vapor is heated in a closed rigid tank from saturated vapor at 160degc to a final temperature of 400degc.
Evaluate thermal efficiency of the cycle
At the end of the isothermalexpansion, the pressure is 600 kPa and the volume is 0.4 m3. Assuming the ideal gas model for air, determine the thermal efficiency.
a pressure vessel of radius 11.0 in is filled with a gas at a pressure of 550.0 psi gauge. the top of the vessel is
the state of stress at a point is shown on the element. determine a the principle stress and b the maximum in-plane
1. if the average density of the sediments in the gulf of mexico is 2.17 gmcc and the water depth at the wellsite is
a thin walled tube of inner radius r1 outer radius r2 and initial temperature ti is cooled by a fluid of temperature tf
a power plant is analyzed as a simple ideal rankine cycle with a boiler operating at 300 oc. steam leaves the boiler
steam enters a well-insulated nozzle at 300lbfin2 600 degrees f with a velocity of 100 fts and exits at 40 lbfin2 with
tank that is initially evacuated is connected by a valve to an air supply line flowing air at 20 degree c 800 kpa. the
a heat pump using r-134a as its working fluid is used to keep a space at 25degc by absorbing heat from geothermal water
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