Survey your school CAD software and list the capabilities of each program. Some of this software has a very small learning curve, which may allow you to produce a 3D model of your product in a very short time. If you have engineering graphics experience from a previous course, use it to determine whether the software has an analysis module that allows you to feed your model into the analysis module. Check the requirements of the analysis module.

What will be an ideal response?


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To reduce heat transfer losses through a glass window, you consider replacing the window with one of three alternatives: a sheet of tin 0.50-cm thick, a layer of brick 8.0- cm thick, and a combination of wood and insulation 4.0-cm thick. The original thickness of the glass is 1.0-cm. Consider the thermal conductivities of each to be the following: glass – 1.40 W/m-K; tin – 66.6 W/m-K; brick – 1.20 W/m-K; wood/insulation combination – 0.09 W/m-K. Considering the inside temperature of the surface to be 20.0°C, and the outside temperature to be -5.0°C, determine the heat conduction rate per unit area for the glass and the three alternatives, and discuss the relative merits of the three alternatives (ignoring material and installation costs).

Given: Ti = 20.0°C; To = -5.0°C What will be an ideal response?

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In a Rankine cycle, superheated steam that enters the turbine at 1273.15 K and 1.8 MPa is then expanded to a vapor at 0.1 MPa. What is the shaft work generated per kilogram of steam if the efficiency of the turbine is 0.56?

A. -723 kJ/kg B. -1.3 MJ/kg C. -723 J/kg D. -2.3 MJ/kg E. Insufficient information to solve

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A currently-owned asset has B = $150,000, S = $95,000, and a 10-year depreciable life. The book value at the end of year 3 according to the MACRS method would be closest to: (Note: dt values for years 1, 2, 3, and 4 are 10.00%, 18.00%, 14.40%, and 11.52%, respectively.) (choose one)

(a) $86,400 (b) $62,400 (c) $43,900 (d) $23,320

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What is the primary purpose of a control chart?

What will be an ideal response?

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