Question 3 of 15< >-/ 1View PoliciesCurrent Attempt in ProgressThree pounds mass of water in a piston-cylinder assembly, initially a saturated liquid at 15 lbf/in?, undergoes a constant pressure,internally reversible expansion tox2 = 90%.For this reversible process, determine the work by integrating p dV and the heat transfer by integrating T dS, each in Btu.II

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Answered: Three pounds mass of water in a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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A piston-cylinder assembly contains Refrigerant 22, initially a saturated vapor at 5 bar. The refrigerant undergoes a process for which the pressure-specific volume relationship is pv = constant to a final pressure of 20 bar. Kinetic and potential energy effects can be neglected. a. For your schematic, provide a rough sketch of your system, with arrows indicating direction of work and heat (i.e, in or out of the system) b. Determine the work and heat transfer for the process, each in (kJ/kg)
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awuIs 2 kg of air undergoes a power cycle undergocs a power cycle consisting of the following processes: Process 1-2: Constant-temperature expansion from p, = 4 bar, v, = 1 m³ /kg, to p2 = 2 bar, v2 = 2 m3/kg. Process 2-3: Constant-pressure compression to T3 = 696.9 K. Process 3-1: Constant-volume heating to state 1. Assume ideal gas behavior and neglect kinetic and potential energy effects. Show that T; = 1393.7 K and find T Sketch the cycle on a T-v diagram and label the states. Find the work done and heat transferred during cach process to complete this chart: b C. Process W (kJ) Q (kJ) iti 1-2 2-3 3-1 TOTAL Find the thermal efficiency of the cycle. For an energy balance on the entire cycle (1-2-3-1), what should the change in system energy be? Does that hold in this case? Add a Caption Pedro Castaño shared with you > Wednesday • Feb 23, 2022•7:24 PM Adjust IMG_7188 Apple iPhone 12 Pro Max НEIF Wide Camera – 26 mm f1.6 3 MP • 1914 × 1728 • 3.5 MB i
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X Your answer is incorrect. A rigid tank whose volume is 4 m³, initially containing air at 1 bar, 295 K, is connected by a valve to a large vessel holding air at 6 bar, 295 K. The valve is opened only as long as required to fill the tank with air to a pressure of 6 bar and a temperature of 350 K. Assuming the ideal gas model for the air, determine the heat transfer between the tank contents and the surroundings, in kJ. Qev = i 88.08 eTextbook and Media Hint Save for Later kJ Attempts: unlimited 4 Submit Answer

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Three pounds mass of water in a piston-cylinder assembly, initially a saturated liquid at 15 lbf/in?, undergoes a constant pressure, internally reversible expansion to x2 = 90%.