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The rigid tank illustrated in the figure has a volume of 0.06 m3 and initially contains a two-phase liquid-vapor mixture of H2O at a pressure of 15 bar and a quality of 0.2. The tank contents are heated. Heating continues until the final quality is x = 0.5. During heating, a pressure-regulating valve keeps the pressure constant in the tank by allowing saturated vapor to escape. Neglecting the kinetic and potential energy effects. (a). Determine the total mass in the tank at the initial and final states, in kg. (b). Calculate the amount of heat transfer, in kJ, from the initial state to the final state.
Determine the normal force R between the wheel and the horizontal surface. Neglect the weight of the horizontal shaft.
using matlab simulink set up the negative feedback system of nbspand find the value of the gainnbspaplot the step
a piston-cylinder assembly contains propane initially at 27degc 1 bar and a volume of 0.2 m3. the propane undergoes a
a tank having a volume of 0.05m3 contains 80 saturated vapor and 20 saturated liquid water by volume at a temperature
a piston-cylinder device contains 1 kg of h2o. the water is at 800oc and a pressure of 20 mpa. heat transfer occurs
hot oil cp2.3 kjkg.c at a rate of 2.5 kgs enters an adiabatic exchanger at 180 c and leaves at 150 c. cooling water
how do you determine the thickness of a tapering barrel of a gun at the largest end using pressure temperature on the
calculate the pressure drop through the tubes for each selection. Recommend a final design that specidies water-flow rate, tube size, number of tubes, and tube length. Comment on your selection.
a satellite is in earth with an altitude at perigee of 550 km and an altitude at apogee of 5000 kma what is the
during actual expansion and compression processes of gases pressure and volume are often related by pvn c where n and
Lawn mower engines normally have finned surfaces directly attached to the engine block, with no radiator, in order to achieve the required cooling. Why might the cooling strategies be different in these two applications?
determine the force and moment reactions at the support A of the built in beam which is subjected to the sine-wave load distribution.
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