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Refrigerant R134a flows steadily at a mass flow rate of 2 kg/s through a well-insulated nozzle with a circular cross-section. The refrigerant enters the nozzle at 500 kPa, 30 C, 25 m/s and exits at 100 kPa. a) Determine the largest possible outlet velocity and the corresponding outlet temperature. b) If the outlet velocity is 250 m/s, determine the outlet temperature, isentropic nozzle efficiency, rate of entropy production in the nozzle, and the inlet and outlet diameters. Neglect changes in potential energy.
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consider a cylinder containing 4 moles of compressed argon to 10 bar and 298 k. the cylinder is housed in a big lab
What are the possible outcomes of this scenario?
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determine (a) the compression ratio, (b) the cycle efficiency, (c) exhaust temperature, and (d) mean effective pressure (kPa). Draw (e) a P-v diagram and (f) a T-s diagram
ball a of mass m 1 kg is projected from a spring activated gun as shown below. the spring has a constant of k 500nm.
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