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1. A system consisting of liquid water undergoes a process. At the end of the process, some of the liquid water has frozen, and the system contains liquid water and ice. Can the system be viewed as being a pure substance during the process? Explain.
2. A dish of liquid water is placed on a table in a room. After a while, all of the water evaporates. Taking the water and the air in the room to be a closed system, can the system be regarded as a pure substance during the process? After the process is
Data encountered in solving problems often do not fall exactly on the grid of values provided by property tables, and linear interpolation between adjacent table entries becomes necessary. Using the data provided here, estimate
(a) the specific volume at T 5 240°C, p 5 1.25 MPa, in m3/kg.
(b) the temperature at p 5 1.5 MPa, y 5 0.1555 m3/kg, in°C.
completed? Discuss.
Using p-y-T Data
If N = 120 chips attached to the outer surfaces of the heat sink maintain an approximately uniform surface temperature of T 2 = 50°C and all of the heat dissipated by the chips is assumed to be transferred to the coolant, what is the heat dissipat..
consider the carburizing of a steel bar to create a hard surface. to obtain the desired hardness we need to control the
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1 calculate the angular velocity acceleration of a 2kg mass rotating in a horizontal circle of 2m radius if one
Carbon dioxide gas (CO2) at a pressure of 15 psia and 90 degrees F. Determine the unknown properties of the perfect gas (specific volume).
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