Hot water in an open storage tank at 82.20C is being pumped at the rate of 0.379 m3/min fromthis storage tank. The line from the storage tank to the pump suction is 6.1 m of 2-in. Schedule40 steel pipe and it contains three elbows. The discharge line after the pump is 61 m of 2-in.pipe and contains two elbows. Water discharges to the atmosphere at a height of 6.1 m abovethe water level in the storage tank.a. Calculate all frictional losses ΣF.b. Make a mechanical-energy balance and calculate of the pump in J/kg. s Wc. What is the kW power of the pump if its efficiency is 75%? 9. Hot water in an open storage tank at 82.2°C is being pumped at the rate of 0.379 m/min fromthis storage tank. The line from the storage tank to the pump suction is 6.1 m of 2-in. Schedule40 steel pipe and it contains three elbows. The discharge line after the pump is 61 m of 2-in.pipe and contains two elbows. Water discharges to the atmosphere at a height of 6.1 m abovethe water level in the storage tank.a. Calculate all frictional losses EF.b. Make a mechanical-energy balance and calculate of the pump in J/kg. s Wc. What is the kW power of the pump if its efficiency is 75%?

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Answered: Hot water in an open storage tank at…

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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Hot water in an open storage tank at 82.20
C is being pumped at the rate of 0.379 m3
/min from
this storage tank. The line from the storage tank to the pump suction is 6.1 m of 2-in. Schedule
40 steel pipe and it contains three elbows. The discharge line after the pump is 61 m of 2-in.
pipe and contains two elbows. Water discharges to the atmosphere at a height of 6.1 m above
the water level in the storage tank.
a. Calculate all frictional losses ΣF.
b. Make a mechanical-energy balance and calculate of the pump in J/kg. s W
c. What is the kW power of the pump if its efficiency is 75%?

9. Hot water in an open storage tank at 82.2°C is being pumped at the rate of 0.379 m/min from
this storage tank. The line from the storage tank to the pump suction is 6.1 m of 2-in. Schedule
40 steel pipe and it contains three elbows. The discharge line after the pump is 61 m of 2-in.
pipe and contains two elbows. Water discharges to the atmosphere at a height of 6.1 m above
the water level in the storage tank.
a. Calculate all frictional losses EF.
b. Make a mechanical-energy balance and calculate of the pump in J/kg. s W
c. What is the kW power of the pump if its efficiency is 75%?

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