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A liquid-vapor mixture of 5kg of water with a quality of 0.75 and a pressure of 5bar is expanded in an isobaric process until no liquid is left in the mixture. Then, the system is expanded in a process where the pressure changes linearly with respect to the volume (P=AV+B) until the pressure and temperature are 1.5bar and 120?C respectively. You are asked to: (a) Sketch the processes in a P-v diagram with respect to the saturation lines. (b) Determine the volumes of the three states in m3. (c) Determine the total work in kJ. (d) Determine the total heat transfer in kJ. Problem #2: (50 pts.) A confined quantity of air undergoes two thermodynamic processes departing from an initial equilibrium state where the temperature is 20°C, the absolute pressure is 1bar, and the volume is 0.2m3. First, the volume of the system is doubled through an isobaric process. Then, the volume is reduced back to the initial value through a process where the relation P?V1.4 is maintained constant. You may assume average values for the specific heat capacities (cp and cv) to: (a) Sketch the processes in a P-V diagram. (b) Determine the temperature of the three states in K. (c) Compute the total work in kJ. (d) Compute the total heat transfer in kJ.
a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
the lower end of the 30 kg slender rod is displaced a small amount and released from the rest. determine the natural
determine the work done by a 1-lb fluid system as it expands slowly within a piston-cylinder arrangement from an
Fluid Statics: Submerged Submarine, A submarine is at a depth of 2000 ft from the water surface. The atmospheric pressure above the water is at 14.7 psia
Determine the maximum horizontal displacement s of the block. Each of the two springs has a stiffness of k = 2500N/m and an unstretched length of 0.15 m.
Draw the stress distribution along the walled thickness and discuss whether the composite with the applied pressure is safe or not by using von-Mises and Tresca theory.
Estimate the mass of the gas in the tank in kg assuming the gas behaves as an ideal gas. If the gas warms up to 35 deg C as it sits in the sun all day, what would the pressure rise to?
Effect of pressure on temperature and density of air for an adiabatic process, The pressure is to be raised from atmospheric to 7 psi (4.83 bar). The process is adiabatic, and the volume is constant and unknown.
for a crystal with a cubic structure sketch its unit cells showing the following crystallographic directionsa 011 b 212
saturated steam with 120.8 kpa is used to concentrate 1000 kgh of juice from 12 to 20 solids at 95degc steam and juice
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
solution of oblique-angled triangle all threesides known two side at 7.5 in. and base at .3437 in. what are the angles ?
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