A pitot tube is installed at the center of a large duct to measure the flow rate of a gas containing about 20 percent CO 2 and 80 percent air at 250C and 1 1 atm (a) What is the gas velocity at the center of the duct when the manometer reading is 15 mm H 2 O (b) What is the maximum percent error in...

To calculate the gas velocity at the center of the duct using a Pitot tube you can use the Bernoullis equation The equation relates the pressure diffe ...

A pitot tube is installed at the center of a large duct to measure the flow rate

Question:

A pitot tube is installed at the center of a large duct to measure the flow rate of a gas containing about 20 percent CO₂ and 80 percent air at 250°C and 1.1 atm.

(a) What is the gas velocity at the center of the duct when the manometer reading is 15 mm H₂O?

(b) What is the maximum percent error in the calculated velocity, considering the following possible range of conditions: 20 ± 5 percent CO₂. 250 ± 1°C, 1.1 ± 0.05 atm?

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