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As part of a heat treatment process, cylindrical, 304 stainless steel rods of 125-mm diameter are cooled from an initial temperature of 500C by suspending them in an oil bath at 30C. If a convection coefficient of 400 W/m^2K is maintained by circulation of the oil, how long does it take for the centerline of a rod to reach a temperature of 50C, at which point it is withdrawn from the bath? If 10 rods of length L =1m are processed per hour, what is the nominal rate at which energy must be extracted from the bath (the cooling load)?
Consider just the vertical (y) response of the system when the beam is being stretched. Show that the spring constant, ka, is approximately 70.6 mN/m. What is the steady state amplitude of the vertical response? See Figure A below for an engine..
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a fruit juice containing 30 solids of molecular weight 100 g was placed in a tray length 100 cm height 90 cm width 8
The maximum take-off mass of an Airbus A380 passenger jet is about 600 000 kg. The lift is provided by the wings, which have a total area of 845 m2.
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