A 5-m·diameter spherical tank is filled with liquid oxygen (p = 1141 kg/m cp =1.71 kJ/kg-°C) at - 184°C. It is observed that the temperature of oxygen increases to – 183°C in a 144–hour period. The average rate of heat transfer to the tank is (a) 124W (b) 185 W (c) 246 W (d) 348 W (e) 421 W

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 5-m·diameter spherical tank is filled with liquid oxygen (p = 1141 kg/m cp =1.71 kJ/kg-°C) at - 184°C. It is observed that the temperature of oxygen increases to – 183°C in a 144–hour period. The average rate of heat transfer to the tank is

(a) 124W

(b) 185 W

(c) 246 W

(d) 348 W

(e) 421 W

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