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A piston-cylinder arrangement holds a thermally perfect gas at p1=100kPa and T1 = 300K. Assume that cp = 1.0035 kJ/kg-K, cv = 0.7165 kJ/kg-K, and R = 0.287 kJ/kg-K. a. This process is an isothermal, quasi-static compression from p1 = 100kPa to p2 = 500kPa. What are T2 and v2, and how much work was done by the system during this process? b. Sketch the process on a P-v and T-v diagram. Label the sketches with both states and indicate work where appropriate.
The temperature of the water drops to 260 F as a result of heat transfer to the surroundings. Determine the final pressure in the tank?
a load of lumber of weight w 25 kn is being raised by a mobile crane. knowing the tension is 25 kn in all portions of
Assume that viscous effects are negligible Plot this data using appropriate dimensionless groups
a full revolution press has 100 rpm flywheel rotation.it has two handed trip devices mounted 20 inches from point of operation how many engagement points on the flywheel would be nessary to make this machine safe?
the a-36 steel axle is made from tubes ab and cd and a solid section bc. it is supported on smooth bearings that allow
A lap joint needs to be designed using 20-mm diameter bolts to carry a load of 120 kN on the connecting plates. If the shear stress in each rivet is not to exceed 90 MPa, determine the number of bolts needed.
hi ltbrgt ltbrgti need free hand sketches and cad 2d drawings. the assignment question is in the attached .pdf. ltbrgt
steam is flowing in a line at 100 bar. it is flashed out through a valve to 1 bar pressure. the temperature of the
Determine the turbine inlet temperature, the cycle thermal efficiency, and the back-work ratio of this cycle.
Finding exit velocity from air nozzle, Air enters a nozzle operating at steady state at 800 ºR with a negligible velocity and exits the nozzle at 570 ºR.
Determine the COP of the heat pump that applies energy to a house at a rate of 4500kj/h for each kW of electric power it draws. Also, determine the rate of the energy absorption from the outdoor air.
as the hollow steel g 77 gpa shaft shown rotates at 180 rpm a stroboscopic measurement indicates that the angle of
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