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Hot air at 207 kPa and 200°C enters a 2.5-cm-ID tube at 6 m/s. The tube is constructed of copper with a thickness of 0.8 mm and a length of 3 m. Atmospheric air at 1 atm and 20°C flows normal to the outside of the tube with a free-stream velocity of 12 m/s. Calculate the air temperature at exit from the tube. What would be the exit hot air temperature when its flow rate is reduce to half without account for the change in inside heat transfer resistance? To simplify the above computation you may assume the inside heat transfer coefficient remains unchanged. What would be the exit temperature take into account the change in inside heat transfer resistance due to the flow rate change?
a man is driving his classic 1957 corvette on a circular path of radius r. the corvettes distancealong the paths
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.
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what is the use of dimentionsless numbers, and why the temperature is max on gas turbine blade tip.
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part a as shown below a beam is subjected to a distributed load and a moment. the length of the beam is 9.00 the
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