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1) A piston-cylinder device contains 5 kg of R134a at 800 kPa and 60 C. The refrigerant is now cooled at constant pressure until it reaches 20 C. Determine the amount of heat loss that occurs during this process in kJ
2) Steam at 3 MPa and 400 C enters an adiabatic nozzle steadily with a velocity of 40 m/s and leaves at 2.5 MPa and 300 m/s. Determine the exit temperature of the steam in C.
3) 3kg of R22 in a piston-cylinder is initially at a pressure of 0.30 MPa and volume of 0.15 m3. The system is then heated by 305 kJ and the piston expands slowly. Determine the final temperature in Celsius of the R22. [hint1: h = u+pv; hint2: watch your units!]
If you could be thorough in describing what steps you're taking to solve each of these that would be amazing.
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Using the data in Problem , Meredith and Smunt Manufacturing expects sales of pumps to grow by 10% next year. Compute next year's sales and the sales for each quarter.
the image for this problem can be found through this link httpimgur.com0qkehzh please show all workformulas so that i
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