A perfectly stirred tank is initially filled with 900 kg solution [T(0)= 50 °C). Three streams enters this tank: Stream-1(m1=2 kg/min, T1=25 °C, CP1=25 kj/kg.ºC). Stream-2 (m23 kg/min, T2=65 °C, CP2=3.5 kj/kg.°C). Stream-3 (ma-4 kg/min, T3=75-65exp(-0.041), Ta in °C, t in minutes, Cpa=2 kj/kg.C). A single stream (m4=9 kg/min, Ce4=2.8 kj/kg.°C ) leaves the tank. Cp of the solution in the tank at any instant of time is assumed to be also Cp=2.8 kj/kg. C. Which of the following diff. equations describes the variation in the temperature, T (°C) of the solution in the tank with time t (minutes). Lütfen birini seçin: a.dT/dt+0.010T=0.558-0.206exp(-0.04t) b.dT/dt+0.015T=0.458 - 0.206exp(-0.04t) c.dT/dt+0.020T=0.458 - 0.206exp(-0.04t) d.dT/dt+0.025T=0.458 - 0.206exp(-0.04t) e.dT/dt+0.010T=0.558 +0.306exp(-0.041)
A perfectly stirred tank is initially filled with 900 kg solution [T(0)= 50 °C). Three streams enters this tank: Stream-1(m1=2 kg/min, T1=25 °C, CP1=25 kj/kg.ºC). Stream-2 (m23 kg/min, T2=65 °C, CP2=3.5 kj/kg.°C). Stream-3 (ma-4 kg/min, T3=75-65exp(-0.041), Ta in °C, t in minutes, Cpa=2 kj/kg.C). A single stream (m4=9 kg/min, Ce4=2.8 kj/kg.°C ) leaves the tank. Cp of the solution in the tank at any instant of time is assumed to be also Cp=2.8 kj/kg. C. Which of the following diff. equations describes the variation in the temperature, T (°C) of the solution in the tank with time t (minutes). Lütfen birini seçin: a.dT/dt+0.010T=0.558-0.206exp(-0.04t) b.dT/dt+0.015T=0.458 - 0.206exp(-0.04t) c.dT/dt+0.020T=0.458 - 0.206exp(-0.04t) d.dT/dt+0.025T=0.458 - 0.206exp(-0.04t) e.dT/dt+0.010T=0.558 +0.306exp(-0.041)
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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![A perfectly stirred tank is initially filled with 900 kg solution [T(0)= 50 °C]. Three streams enters this tank: Stream-1(m1=2 kg/min, T1=25 °C, CP1%=2.5 kj/kg.°C). Stream-2
(m2=3 kg/min, T2=65°C, CP2=3.5 kj/kg.°C). Stream-3 (ma-4 kg/min, T3=75-65exp(-0.041), Ta in °C, t in minutes, Cp3=2 kj/kg.°C). A single stream (m4=9 kg/min, Ce4=2.8
kj/kg.°C) leaves the tank. Cp of the solution in the tank at any instant of time is assumed to be also Cp=2.8 kj/kg. C. Which of the following diff. equations describes
the variation in the temperature, T (°C) of the solution in the tank with time t (minutes).
Lütfen birini seçin:
a.dT/dt+0.010T=0.558-0.206exp(-0.04t)
b.dT/dt+0.015T=0.458 - 0.206exp(-0.04t)
>
c.dT/dt+0.020T=0.458-0.206exp(-0.04t)
d.dT/dt+0.025T=0.458-0.206exp(-0.04t)
e.dT/dt+0.010T=D0.558+0.306exp(-0.041)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3d725f6-aa76-4dd5-8eec-34aa380adedb%2F12c9a5ff-1a8b-4a1c-970d-b94f677a3f11%2Fl3lfwmr_processed.png&w=3840&q=75)
Transcribed Image Text:A perfectly stirred tank is initially filled with 900 kg solution [T(0)= 50 °C]. Three streams enters this tank: Stream-1(m1=2 kg/min, T1=25 °C, CP1%=2.5 kj/kg.°C). Stream-2
(m2=3 kg/min, T2=65°C, CP2=3.5 kj/kg.°C). Stream-3 (ma-4 kg/min, T3=75-65exp(-0.041), Ta in °C, t in minutes, Cp3=2 kj/kg.°C). A single stream (m4=9 kg/min, Ce4=2.8
kj/kg.°C) leaves the tank. Cp of the solution in the tank at any instant of time is assumed to be also Cp=2.8 kj/kg. C. Which of the following diff. equations describes
the variation in the temperature, T (°C) of the solution in the tank with time t (minutes).
Lütfen birini seçin:
a.dT/dt+0.010T=0.558-0.206exp(-0.04t)
b.dT/dt+0.015T=0.458 - 0.206exp(-0.04t)
>
c.dT/dt+0.020T=0.458-0.206exp(-0.04t)
d.dT/dt+0.025T=0.458-0.206exp(-0.04t)
e.dT/dt+0.010T=D0.558+0.306exp(-0.041)
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