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A rigid, well-insulated tank with a volume of 3 fe contains air at P1= 22 lbf/in2 and T1= 475 •R. The air is stirred by a paddle wheel, resulting in an energy transfer to the gas of magnitude 4680 ft-lbf. Assuming ideal gas behavior for the air and neglecting kinetic and potential energy effects, determine the: a) Mass of the air Ibm b) Final temperature in oR c) Final pressure in psi.
the inner and outer surface temperatures of a glass window 5 mm thick are 15degc and 5degc. what is the heat loss
If water leaves the basement at 88C, determine the rate of heat loss from the weather.
find a cylindrical container that is large enough that it takes at least one minute to drain you may have to create an
a car starts from rest and accelerates at a constant rate until it reaches 85 mihr in a distance of 110 ft at which
an empty parallel plate capacitor is connected between the terminals of a 3.1-v battery and charged up. the capacitor
an air compressor takes air from outdoors at 28deg c and 101.2kpa and compresses it to 790kpa and 50 deg c. the air
Determine the natural frequencies of the system. For the baseline system I get natural frequencies at the following engine speeds: 435, 2026, 2818, 5225, 7093, 10245, and 12153 rpm.
a computer chip which contains 25 g of copper 55 g plastic cp 0.96 kjkg-k and 55 g of silicon cp 0.70 kjkg-k. the
describe possible methods that can be used to separate materials such as polymers, aluminium alloys and steels from one another.
a steel beam of total length 3m is simply supported at the ends by pin-jointed supports a and c. a diagrammatic
Derive an expression for the bounding energy Eo in terms of the equilibrium interionic separation ro and the constants D, and p using the following procedure
a 0.4 w cylindrical electronic component with a diameter of 0.3 cm and length 1.8 cm is mounted horizontally on a
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