QUESTION 9 As in the previous question a concentric-tube, counter-flow heat exchanger, as shown below, is used to cool mercury [Co= 1,370 J/kg - °C] flowing at a rate of 1.0 kg/s from 110°C to 70°C. The cooling fluid is water entering the heat exchanger at a temperature of 30°C and flow rate of 0.2 ke/s. The overall heat transfer coefficient of the exchanger is U-250 W/m?"C Water Mercury Calculate the required heat transfer area. O 7.75 m2 O 11.75 m2 O 4.75 m2 O None of these answers O 8.75 m2 Click Save and Submit to save and submit. Click Save All Answers to save al ansuvers. Save A A 100% 3
QUESTION 9 As in the previous question a concentric-tube, counter-flow heat exchanger, as shown below, is used to cool mercury [Co= 1,370 J/kg - °C] flowing at a rate of 1.0 kg/s from 110°C to 70°C. The cooling fluid is water entering the heat exchanger at a temperature of 30°C and flow rate of 0.2 ke/s. The overall heat transfer coefficient of the exchanger is U-250 W/m?"C Water Mercury Calculate the required heat transfer area. O 7.75 m2 O 11.75 m2 O 4.75 m2 O None of these answers O 8.75 m2 Click Save and Submit to save and submit. Click Save All Answers to save al ansuvers. Save A A 100% 3
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
![QUESTION 9
As in the previous question, a concentric-tube, counter-flow heat exchanger, as shown below, is used to cool mercury [C, h = 1,370 J/kg - "C] flowing at a rate of 1.0 kg/s from 110°C to 70°C.
10
The cooling fluid is water entering the heat exchanger at a temperature of 30°C and flow rate of 0.2 kg/s. The overall heat transfer coefficient of the exchanger is U = 250 w/m² - °C.
Water
Mercury
Calculate the required heat transfer area.
O 7.75 m2
O 11.75 m2
O 4.75 m2
O None of these answers
O 8.75 m2
Click Save and Submit to save and submit. Click Sare All Answers to save all answers.
Save All Answers
人
100% G](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50110c7b-3402-4695-a0e0-f5f0c3d18597%2Fe272a44b-1c85-44f8-9d4b-feee2a595a74%2Fdxnxyu7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 9
As in the previous question, a concentric-tube, counter-flow heat exchanger, as shown below, is used to cool mercury [C, h = 1,370 J/kg - "C] flowing at a rate of 1.0 kg/s from 110°C to 70°C.
10
The cooling fluid is water entering the heat exchanger at a temperature of 30°C and flow rate of 0.2 kg/s. The overall heat transfer coefficient of the exchanger is U = 250 w/m² - °C.
Water
Mercury
Calculate the required heat transfer area.
O 7.75 m2
O 11.75 m2
O 4.75 m2
O None of these answers
O 8.75 m2
Click Save and Submit to save and submit. Click Sare All Answers to save all answers.
Save All Answers
人
100% G
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