For a U type manometer, a special manometer fluid with a density of 700 ∓ 1 kg/m3 is used. One end of the manometer is open to the local atmospheric pressure of 744 mm-Hg. When the other end of the manometer is connected to the compressed air source, the level difference read from the manometer is 20 cm ± 1 mm. Calculate the pressure of the air source and the uncertainty in the measurement in Pascals. If a manometer with a forty-five degree inclination is used, what will be the height of the liquid read under the same pressure effect? The uncertainty in the reading will remain constant at ±1 mm. In this case, calculate the uncertainty in the pressure measurement. g=9.807 m/s^2 rho_air=1.225 kg/m^3
For a U type manometer, a special manometer fluid with a density of 700 ∓ 1 kg/m3 is used. One end of the manometer is open to the local atmospheric pressure of 744 mm-Hg. When the other end of the manometer is connected to the compressed air source, the level difference read from the manometer is 20 cm ± 1 mm. Calculate the pressure of the air source and the uncertainty in the measurement in Pascals. If a manometer with a forty-five degree inclination is used, what will be the height of the liquid read under the same pressure effect? The uncertainty in the reading will remain constant at ±1 mm. In this case, calculate the uncertainty in the pressure measurement. g=9.807 m/s^2 rho_air=1.225 kg/m^3
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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For a U type manometer, a special manometer fluid with a density of 700 ∓ 1 kg/m3 is used. One end of the manometer is open to the local atmospheric pressure of 744 mm-Hg. When the other end of the manometer is connected to the compressed air source, the level difference read from the manometer is 20 cm ± 1 mm. Calculate the pressure of the air source and the uncertainty in the measurement in Pascals. If a manometer with a forty-five degree inclination is used, what will be the height of the liquid read under the same pressure effect? The uncertainty in the reading will remain constant at ±1 mm. In this case, calculate the uncertainty in the pressure measurement.
g=9.807 m/s^2
rho_air=1.225 kg/m^3
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