None Q2: A certain obstruction-type flowmeter (orifice, venturi, nozzle) is usedto measure the flow of air at lowvelocities. The relation describing theflow rate show below. where: C =%3Dempirical-discharge .A= flow area. P,and P2 = upstream and downstream%3Dpressures, respectively. T,upstream temperature. R = gas%3Dconstant for air.Calculate the percentuncertainty in the mass flow rate forthe following conditions:C = O.92 ±0.005 P, = 25 ± 0.5 psia,T, = 70 ± 2°Fwhere T, = 530°R. AP = P, - P2 = 1.4 ±%3|10.005 psia „A = 1.0 ± 0.001 in?1/22g.P1(Pi – P2)RT,m = CA

This question is based on the uncertainty in the flow meter. There are various devices to measure…

Q2: A certain obstruction-type flow meter (orifice, venturi, nozzle) is used to measure the flow of air at low velocities. The relation describing the flow rate show below. where: C = %3D empirical-discharge .A= flow area. P, and P2 = upstream and downstream pressures, respectively. T, = upstream temperature. R = gas constant for air.Calculate the percent uncertainty in the mass flow rate for the following conditions:C = 0.92 ± %3D 0.005 P, = 25 ± 0.5 psia,T, = 70 ± 2°F where T, = 53O°R. AP = P, - P2 = 1.4 + %D * 0.005 psia „A = 1.0 ± 0.001 in? 1/2 28-P (p - P2) m = CA RT|

Q2: A certain obstruction-type flow meter (orifice, venturi, nozzle) is used to measure the flow of air at low velocities. The relation describing the flow rate show below. where: C = %3D empirical-discharge .A= flow area. P, and P2 = upstream and downstream pressures, respectively. T, = upstream temperature. R = gas constant for air.Calculate the percent uncertainty in the mass flow rate for the following conditions:C = 0.92 ± %3D 0.005 P, = 25 ± 0.5 psia,T, = 70 ± 2°F where T, = 53O°R. AP = P, - P2 = 1.4 + %D * 0.005 psia „A = 1.0 ± 0.001 in? 1/2 28-P (p - P2) m = CA RT|

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.

Question

None

Q2: A certain obstruction-type flow
meter (orifice, venturi, nozzle) is used
to measure the flow of air at low
velocities. The relation describing the
flow rate show below. where: C =
%3D
empirical-discharge .A= flow area. P,
and P2 = upstream and downstream
%3D
pressures, respectively. T,
upstream temperature. R = gas
%3D
constant for air.Calculate the percent
uncertainty in the mass flow rate for
the following conditions:C = O.92 ±
0.005 P, = 25 ± 0.5 psia,T, = 70 ± 2°F
where T, = 530°R. AP = P, - P2 = 1.4 ±
%3|
1
0.005 psia „A = 1.0 ± 0.001 in?
1/2
2g.P1
(Pi – P2)
RT,
m = CA

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