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A cast iron tank 25 mm thick contains a solution which is kept to boil at 95°C. The outer surface of the tank is maintained at {T}°C, while the inside of the tank is covered with a layer of enamel1 mm thick (k = 0.86 W/mK). The heat transfer coefficient for the boiling solution is 4.5 kW/m2K. Calculate the overall heat transfer coefficient. Use k = 50 W/mK for cast iron. Write your answer to 2 decimal places.

A cast iron tank 25 mm thick contains a solution which is kept to boil at 95°C. The outer surface of the tank is maintained at {T}°C, while the inside of the tank is covered with a layer of enamel1 mm thick (k = 0.86 W/mK). The heat transfer coefficient for the boiling solution is 4.5 kW/m2K. Calculate the overall heat transfer coefficient. Use k = 50 W/mK for cast iron. Write your answer to 2 decimal places.

Elements Of Electromagnetics
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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P.S. T= 30 degrees

A cast iron tank 25 mm thick contains a solution which is kept to boil at 95°C. The outer surface of the tank is maintained at {T}°C, while the inside of the tank is covered with a layer of enamel 1 mm thick (k = 0.86 W/mK). The heat transfer coefficient for the boiling solution is 4.5 kW/m²K. Calculate the overall heat transfer coefficient. Usek = 50 W/mk for cast iron. Write your answer to 2 decimal places.
Transcribed Image Text:A cast iron tank 25 mm thick contains a solution which is kept to boil at 95°C. The outer surface of the tank is maintained at {T}°C, while the inside of the tank is covered with a layer of enamel 1 mm thick (k = 0.86 W/mK). The heat transfer coefficient for the boiling solution is 4.5 kW/m²K. Calculate the overall heat transfer coefficient. Usek = 50 W/mk for cast iron. Write your answer to 2 decimal places.
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