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4. Carbon dioxide (CO2) gas at 30C is flowing in a pipeline with diameter 0.1 m...

4. Carbon dioxide (CO2) gas at 30C is flowing in a pipeline with diameter 0.1 m and at a velocity of 50 m/s. Calculate the pressure read by the two mercury manometers when (a) one is connected to the wall and (b) the other is connected to what is called a pitot tube that points against the flow. The barometer reads 762 mm of Hg, g=9.81 m/s2 and hg=13,640 kg/m3. (c) Explain why the pressure at the pitot tube is higher than the pressure at the wall. ANS: 150.8 kPa, 153.3 kPa

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