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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.
determine the radius of the crank r and the speed n of a slider crank mechanism used in a shaker table. it is required
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas
Determining the Exit Temperature and Power Input of Air through a Compressor, Air at 150Pa and 310K enters a compressor of inlet diameter 2cm. The Compressor raises the pressure to 3.5 times the inlet pressure
a car starts from rest and accelerates at a constant rate until it reaches 85 mihr in a distance of 110 ft at which
Make a form tool for lathe for making a convex groove of 3 mm radius. tool material will be tungsten carbide. Know the dimensions of tool.
Block A has a mass of 3 kg and B has a mass of 5 kg. If the system is released from rest, determine the velocity of each block in t=4s. Neglect the mass of the pulleys.
a stationary gas turbine power plant operates on a simple ideal brayton cycle with air as the working fluid. the air
a ball is projected from point a with a inital speed of v at an angle of 25 degrees above the x-axis. the ramp ab is at
a speedboat travels at a constant speed of 15 ms while making a turn on a circular curve from a to b. if it takes 45s
air enters a cooling coil at the rate of 5000 cfm 2.4 m3s at 80 f 27 c db 68 f 20 c wb and sea-level pressure. the air
Air at 90 kpa and -7 C enters an adiabatic diffuser steadily with a velocity of 180 m/s and leaves with a low velocity at a pressure of 100 kpa. The exit area of the diffuser is 5 times the inlet area. Determine (a) the exit temperature and (b) th..
Why do you suppose that service jobs have lower productivity than manufacturing jobs? How can a company gain a competitive advantage by having higher productivity than its compettitors have?
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