cylinder with a movable piston
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A cylinder with a movable piston holds 0.46 lbm of H2 initially with a volume of 1.14 ft3 at temp. of 1,304 F. Then the volume expanded to 2.88 ft3. Determine the work in BTU given that gas pressure held constant.
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- A cylinder with a moveable piston holds 0.48 lbm of hydrogen initially with a volume of 1.49 ft^3 temperature of 1281 °F. Then the volume is expanded to 3 ft^3 while the gas pressure remains contant. Determine the work in BTU.A closed system containing gas expands slowly in a piston cylinder from 321.7 psf and 8.2 ft3 to a final volume of 19.5 ft3. Determine the work done if the pressure distribution is determined to be P2V6 = c. a. 28.6 ft-lb b. 130.9 ft-lb c. 2012.4 ft-lb d. 9222.9 ft-lbA piston–cylinder assembly contains 0.5 lb of propane. The propane expands from an initial state where p1 = 60 lbf/in.2 and T1 = 30°F to a final state where p2 = 10 lbf/in.2 During the process, the pressure and specific volume are related by pv2 = constant.Determine the energy transfer by work, in Btu.
- A cylinder with a moveable piston holds 0.21 lbm of hydrogen initially with a volume of 1.11 ft^3 at a temperature of 1,350°F. Then, the volume is expanded to 2.94 ft^3 while the gas pressure remains constant. Determine the work in BTU.415. An airplane weighing 19903.13 lbf at ground is flying at an altitude of 32, 247.95 ft at 591 miles per hour. Determine the change in potential energy in hp-minAir expands in a water-cooled piston cylinder, maintaining a constant temperature of 320 K. The initial state of air is P1 = 520 kPa and V1 = 10L. If the final pressure P2 = 100 kPa, determine: a. Mass of air (ans: 0.057 kg) b. The final volume of air inside the system, in L (ans: 72L) c. The work in kJ (ans: 8.57 kJ)
- Nitrogen with a mass of 2.23 kg expands at constant pressure. The initial pressure and temperature in the piston-cylinder system are 172 kPa and 23°C, respectively. Because of the heat transfer, the system reached a final temperature of 208.3°C. Compute for the work in kJ.. A closed system containing gas expands slowly in a piston cylinder from 321.7 psf and 8.2 ft3 to a final volume of 19.5 ft3 . Determine the work done if the pressure distribution is determined to be P2V 2.6 = c. (5 points) a. 28.6 ft-lb b. 130.9 ft-lb c. 2012.4 ft-lb d. 9222.9 ft-lbA closed system of constant volume experiences a temperature rise of 20 ⁰C when a certainprocess occurs. The heat transferred in the process is 18 kJ. The specific heat at constantvolume for the pure substance is 1.2 kJkg-1K-1, and the system contains 2 kg of this substance.Determine the change in internal energy and the work done.
- A fluid in a closed system expand slowly according to the given relation: U = 32 + 0.004pV where U is in BTU, p in lbf /ft2 abs, and V in ft3. When fluid changes from an initial state of 30 psia 1ft3, to a final state of 65 psia, 3ft3, compute the work in Calories if the heat transfer is 100BTU.The specific kinetic energy of a moving mass is given by ke = V2 /2, where V is the velocity of the mass. Determine the specific kinetic energy of a mass whose velocity is 100 ft/s, in Btu/lbmA PISTON-CYLINDER SYSTEM CONTAINS A GAS WHICH EXPANDS UNDER A CONSTANT PRESSUREOF 1200 LB/FT². IF THE PISTON IS DISPLACED 1 FT DURING THE PROCESS, AND THE PISTONDIAMETER IS 2 FT. WHAT IS THE WORK DONE BY THE GAS ON THE PISTON IN FT-LB?