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2. The dynamic behavior of a pressure sensor/transmitter on a pressurized vessel can be expressed as a first- order transfer function (in deviation variables) that relates the measured pressure P to the actual pressure P: P P 1 40s+1 Both P and P' have units of psi and the time constant is in units of seconds. The vessel has an alarm that sounds when the pressure sensor measures a pressure greater than 150 psi. Normally the vessel operates at 120 psi. However, at 4:15am on Thursday, October 4th, the pressure inside the vessel suddenly increased to 200 psi. At what time did the pressure warning alarm sound?

2. The dynamic behavior of a pressure sensor/transmitter on a pressurized vessel can be expressed as a first- order transfer function (in deviation variables) that relates the measured pressure P to the actual pressure P: P P 1 40s+1 Both P and P' have units of psi and the time constant is in units of seconds. The vessel has an alarm that sounds when the pressure sensor measures a pressure greater than 150 psi. Normally the vessel operates at 120 psi. However, at 4:15am on Thursday, October 4th, the pressure inside the vessel suddenly increased to 200 psi. At what time did the pressure warning alarm sound?

Introduction to Chemical Engineering Thermodynamics
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
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2. The dynamic behavior of a pressure sensor/transmitter on a pressurized vessel can be expressed as a first- order transfer function (in deviation variables) that relates the measured pressure P to the actual pressure P: P P 1 40s+1 Both P and P' have units of psi and the time constant is in units of seconds. The vessel has an alarm that sounds when the pressure sensor measures a pressure greater than 150 psi. Normally the vessel operates at 120 psi. However, at 4:15am on Thursday, October 4th, the pressure inside the vessel suddenly increased to 200 psi. At what time did the pressure warning alarm sound?
Transcribed Image Text:2. The dynamic behavior of a pressure sensor/transmitter on a pressurized vessel can be expressed as a first- order transfer function (in deviation variables) that relates the measured pressure P to the actual pressure P: P P 1 40s+1 Both P and P' have units of psi and the time constant is in units of seconds. The vessel has an alarm that sounds when the pressure sensor measures a pressure greater than 150 psi. Normally the vessel operates at 120 psi. However, at 4:15am on Thursday, October 4th, the pressure inside the vessel suddenly increased to 200 psi. At what time did the pressure warning alarm sound?
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