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Q12:- Detergent with a specilic gravity of 0.96 flows from a storage tank to a washing machine by gravity feed at a rate of 600 L/min. All pipes in the line have 4.0-em inner diameters. Friction losses are negligible in the line from the tank to the washing machine when the valve is fully opened, and F= 72 J/kg in the return line, which includes the pump and filter. A) Calculate the value of the height (see figure) required to provide the desired flow rate of detergent into the washing machine when the valve is fully opened. B) Suppose the pump has an efficiency of 75%; that is, it delivers 75% of its rated value as shaft work. What must the rated value (kW) of the pump be to return 600 L/min of detergent to the storage tank? Storage tunk Makeup detergent Filtor Dirty b Punp Clean Dit

Q12:- Detergent with a specilic gravity of 0.96 flows from a storage tank to a washing machine by gravity feed at a rate of 600 L/min. All pipes in the line have 4.0-em inner diameters. Friction losses are negligible in the line from the tank to the washing machine when the valve is fully opened, and F= 72 J/kg in the return line, which includes the pump and filter. A) Calculate the value of the height (see figure) required to provide the desired flow rate of detergent into the washing machine when the valve is fully opened. B) Suppose the pump has an efficiency of 75%; that is, it delivers 75% of its rated value as shaft work. What must the rated value (kW) of the pump be to return 600 L/min of detergent to the storage tank? Storage tunk Makeup detergent Filtor Dirty b Punp Clean Dit

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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Q12:- Detergent with a specific gravity of 0.96 flows from a storage tank to a washing machine by gravity feed at a rate of 600 L/min. All pipes in the line have 4.0-cm inner diameters. Friction losses are negligible in the line from the tank to the washing machine when the valve is fully opened, and F= 72 J/kg in the return line, which includes the pump and filter. A) Calculate the value of the height (see figure) required to provide the desired low rate of detergent into the washing machine when the valve is fully opened. B) Suppose the pump has an efficiency of 75%; that is, it delivers 75% of its rated value as shaft work. What must the rated value (kW) of the pump be to return 600 L/min of detergent to the storage tank? Storage tink Makeup detergent Filter Dirty bags Punp Cleen bags Dit
Transcribed Image Text:Q12:- Detergent with a specific gravity of 0.96 flows from a storage tank to a washing machine by gravity feed at a rate of 600 L/min. All pipes in the line have 4.0-cm inner diameters. Friction losses are negligible in the line from the tank to the washing machine when the valve is fully opened, and F= 72 J/kg in the return line, which includes the pump and filter. A) Calculate the value of the height (see figure) required to provide the desired low rate of detergent into the washing machine when the valve is fully opened. B) Suppose the pump has an efficiency of 75%; that is, it delivers 75% of its rated value as shaft work. What must the rated value (kW) of the pump be to return 600 L/min of detergent to the storage tank? Storage tink Makeup detergent Filter Dirty bags Punp Cleen bags Dit
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