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A soda straw is 20 cm long and 2 mm in diameter. It delivers cold cola, approximated as water at 10°C, at a rate of 3 cm3 /s.
(a) What is the head loss through the straw? What is the axial pressure gradient xif the flow is
(b) vertically up or (c) horizontal? Can the human lung deliver this much flow?
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During an experiment conducted in a room at 25°C, a laboratory assistant measures that a refrigerator that draws 2 kW of power has removed 30,000 kJ of heat from the refrigerated space, which is maintained at -30°C. The running time of the refrige..
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A jet of water issues from a nozzle at a speed of 6 m/s and strikes a stationary flat plate oriented normal to the jet, as shown in Figure 1. The exit area of the nozzle is 645 mm2. Ignore friction losses and assume all pressures are atmospheric (zer..
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5 kgmin of 25 degree celsius water mixes with 7 kgmin of 72 degree celsius water in a mixing chamber. calculate the
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