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Q3 A dryer must take up 400 lbm/hr of H2O. Entering fresh air at barometric pressure, 70 °F and 50% relative humidity is mixed with recycle air (R) at 140°F and enters the dryer, leaving at 140 °F and 80% relative humidity (P). What is the volume of R (at its conditions) per volume of P (at its conditions)? The barometer reads 14.62 psi, and P and R each are at 0.15 psig gauge pressure. The dew point of the air after the heater is 95°F at 0.15 psig. F Heater H₂O 400 lb/hr Dryer R

Q3 A dryer must take up 400 lbm/hr of H2O. Entering fresh air at barometric pressure, 70 °F and 50% relative humidity is mixed with recycle air (R) at 140°F and enters the dryer, leaving at 140 °F and 80% relative humidity (P). What is the volume of R (at its conditions) per volume of P (at its conditions)? The barometer reads 14.62 psi, and P and R each are at 0.15 psig gauge pressure. The dew point of the air after the heater is 95°F at 0.15 psig. F Heater H₂O 400 lb/hr Dryer R

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
Problem 1.1P
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Q3 A dryer must take up 400 lbm/hr of H2O. Entering fresh air at barometric pressure, 70 °F and 50% relative humidity is mixed with recycle air (R) at 140°F and enters the dryer, leaving at 140 °F and 80% relative humidity (P). What is the volume of R (at its conditions) per volume of P (at its conditions)? The barometer reads 14.62 psi, and P and R each are at 0.15 psig gauge pressure. The dew point of the air after the heater is 95°F at 0.15 psig. F Heater H₂O 400 lb/hr Dryer R
Transcribed Image Text:Q3 A dryer must take up 400 lbm/hr of H2O. Entering fresh air at barometric pressure, 70 °F and 50% relative humidity is mixed with recycle air (R) at 140°F and enters the dryer, leaving at 140 °F and 80% relative humidity (P). What is the volume of R (at its conditions) per volume of P (at its conditions)? The barometer reads 14.62 psi, and P and R each are at 0.15 psig gauge pressure. The dew point of the air after the heater is 95°F at 0.15 psig. F Heater H₂O 400 lb/hr Dryer R
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