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Many appliances, including ovens, stoves, clothes dryers, and hot-water heaters, offer a choice between electric and gas operation. Select an appliance that offers this choice and perform a detailed comparison between the two options, including but not necessarily limited to a life-cycle exergy analysis and an economic analysis accounting for purchase, installation, operating, maintenance, and disposal costs. Present your finding in a poster presentation.
a simple steam power system has a turbine inlet state of 6.0 mpa and 540 0c and an exhaust pressure 0.008 mpa. the
Derive Euler's equations of motions stating all your assumptions. a) Write down the equation in vector form and explain the meaning of each term b) state the two conditions under which this equation may be amenable to integration?
The die characteristic is Q_x = 0.0015p where p is the head pressure in psi. Determine the flight angle that maximizes the flow rate Q_x and graph it.
Consider a C-R Grashof 4-bar mechanism with dimensions of your choice, as indicated in the sketch below (no scale). For a full rotation of the crank link (link 2) draw the path generated by point P on the coupler link.
a pump accepts liquid water at 60 acircdegf and 14 psia and compresses it to a pressure of 100 psia. the pump has a
air in a piston-cylinder assembly expands slowly from an initial state where the pressure is 250 kpa and the volume is
if when machining at high cutting speeds the heat conducted into the tool becomes negligible and the heat conducted
a 10 cm x 10cm sheet of material is 2 cm thick and made of a material with a conductivity of 0.5wmk?. one side of this
Determine the elastic modulus (E), and indicate its value and show how you determined it on the appropriate curve? Explain how cold working (plastically deforming) a metal increases its strength?
calculate the number of schottky defects per cubic meter for sodium chloride at 700 c. assume an energy for defect
The length of dislocation line per unit volume in a material equals the number of dislocations per unit area. Metals are hardened by cold working because many of the dislocations have passed right through the grains and are no longer available to fac..
1 mole of Cr is added to a large quantity of Cr-Fe melt (solution). The temperature of the solid and the melt is 1600°C and XFe = 0.8. Assuming Raoultian behaviour, what are the enthalpy and entropy changes in the solution? The enthalpy of fusion of ..
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