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Consider a piston cylinder device that contains nitrogen gas as the system. Initially, the system is at 1 MPa and 427 °C. It now undergoes an isobaric process until its temperature is 27 °C. Determine the final pressure and the heat transfer, in kJ/kg, associated with the process.
Superheated steam in a piston-cylinder device is initially at 200 °C, 600 kPa. Heat is removed from the system during an isobaric process until half of the mass condenses to saturated liquid
a piston-cylinder device contains 10 kg of water 150 c . initially 2 kg it is vapour phase. the water is then heated
a cylinder contains 2 kg of steam at 200 kpa and 200 c. the steam is compressed at constant pressure until its
assume that all electrical energy consumed by a household is generated by burning fossil fuels and that the resulting
A 1m3 rocket propellant chamber is filled with combustion gases at 3000 K and 7 Mpa at the instant combustion ceases. The throat area of the nozzle is 0.1m2. Estimate the time it takes for the chamber pressure to drop to 0.7 MPa. Assume that the inst..
For a steel with the following properties: UTS = 110 ksi, YS = 85 ksi, E = 30x10^6 psi, % elongation 18%, % reduction in aria 38%. If a rectangular bar, 2” x 4” and 16” long is made of steel and subjected to a 560,000-pound load, determine how much i..
Two kilograms of air within a piston-cylinder assembly execute a Carnot power cycle with maximum and minimum temperatures of 750 K and 300 K, respectively. The heat transfer to the air during the isothermal expansion is 60 kJ. At the end of the is..
What is the velocity and rate of flow of the metal into the mold? Is the flow turbulent or laminar? (Pure aluminum density ρ = 2.7 g/cm3).
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
a 2000kg ship initially at rest in an inertial system is accelerated along a straight line for 3.16e7 seconds by means
A reversible heat engine receives heat from a heat source at 1000oC and has a thermal efficiency of 45%. The heat engine does maximum work equal to 600kJ. Determine the heat supplied to the heat engine, heat rejected to the heat sink, and the tempera..
a gas turbine for an automobile is designed with a regenerator. air enters the compressor of this engine at 100 kpa and
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