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For a copper-silver alloy of composition 25 wt% Ag-75 wt% CuFor a copper-silver alloy of composition 25 wt% Ag-75 wt% Cu and at 775oC (1425oF) do the following:
(a) Determine the mass fractions of a and ß phases.
(b) Determine the mass fractions of primary a and eutectic microconstituents.
(c) Determine the mass fraction of eutectic a.
The electronic components of a computer are cooled by air flowing through a fan mounted at the inlet of the electronic enclosure. At steady state, air enters at 18oC, 1 atm. For noise control, the velocity of the entering air cannot exceed 0.9 m/s. F..
water in a piston-cylinder assembly undergoes two processes in series from an initial state where the pressure is 1.0
a mass of 0.2 kg of saturated refrigerant-134a is contained in a piston-cylinder device at 200 kpa. initially 75 of the
Write the entire program that implements this real-time data-acquisition system. You are allowed to call the following functions (without showing the implementations of these functions).
a rigid well-insulated tank with a volume of 3 fe contains air at p1 22 lbfin2 and t1 475 bullr. the air is stirred by
An automobile engine has a thermal efficiency of 18 percent.The temperature of the fuel is 950 C , and the surrounding air is at 25 oC.Does the operation of this engine violates the second law of thermodynamics?
calculate the force and pressure acting across the pelvis and at the feet of a 150 lbm person. model the body using
Typical towns in states with big plains like Texas need an elevated tank to supply tap water. Below there is a picture of a typical elevated tank. If we approximate the tank as a cylinder with a diameter of 50 ft and a height of 25 ft, answer the fol..
consider an evacuated rigid bottle of volume v that is surrounded by the atmosphere at pressure p0 and temperature t0.
a piston-cylinder device with a set of stops on the top initially contains 3 kg of air at 200 kpa and 27 degrees
air undergoes a process with the states given below. find the change of entropy using the ideas gas table and compare
a dump truck is shown in the figure. the loaded container has a mass of 8000 kg and may be modelled as a solid
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