A previously calibrated rotameter is being used to measure a gas flow. The old calibration curve is a straight line described by the following equation: Q = 1.10RR - 0.50 where Q = flow, liters/minute %3D RR = rotameter reading, dimensionless The rotameter was calibrated using ethane (C,Hg) at 1.40 ntm and 60 °F. The gas presently being used is methane (CHA) at 1.10 atm and 100 "F.

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
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Calculate the true volumetric flow rate of methane is the rotameter when the rotameter reads 4.0.

A previously calibrated rotameter is being used to measure a gas
flow. The old calibration curve is a straight line described by the
following equation:
Q = 1.10RR - 0.50
where
Q = flow, liters/minute
%3D
RR = rotameter reading, dimensionless
The rotameter was calibrated using ethane (C,Hg) at 1.40 ntm
and 60 °F. The gas presently being used is methane (CHA) at 1.10
atm and 100 "F.
Transcribed Image Text:A previously calibrated rotameter is being used to measure a gas flow. The old calibration curve is a straight line described by the following equation: Q = 1.10RR - 0.50 where Q = flow, liters/minute %3D RR = rotameter reading, dimensionless The rotameter was calibrated using ethane (C,Hg) at 1.40 ntm and 60 °F. The gas presently being used is methane (CHA) at 1.10 atm and 100 "F.
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