20.25. A duct traverse is made with a pitot tube of a 20.0-in. 1.D. galvanized-iron duct through which air is flowing at 100° F. A water manometer is used in connection with the pitot tube. The following readings were obtained: Position (r), in. AP in, water 0.0 3.67 3.27 2.67 3.0 5.0 1.90 7.0 8.0 1.40 9.0 0.80 9.75 0.198 Estima te the average flow rate of the air in cubic feet per minute.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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20.25. A duct traverse is made with a pitot tube of a
20.0-in. 1.D. galvanized-iron duct through which air is
flowing at 100° F. A water manometer is used in connection
with the pitot tube. The following readings were obtained:
Position (r), in.
AP in, water
3.67
3.27
2.67
1.90
1.40
0.0
3.0
5.0
7.0
8.0
0.80
0.198
9.0
9.75
Estima te the average flow rate of the air in cubic feet per
minute.
Transcribed Image Text:20.25. A duct traverse is made with a pitot tube of a 20.0-in. 1.D. galvanized-iron duct through which air is flowing at 100° F. A water manometer is used in connection with the pitot tube. The following readings were obtained: Position (r), in. AP in, water 3.67 3.27 2.67 1.90 1.40 0.0 3.0 5.0 7.0 8.0 0.80 0.198 9.0 9.75 Estima te the average flow rate of the air in cubic feet per minute.
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