Problem

A 5-m diameter spherical tank is filled with liquid oxygen (ρ = 1141 kg/m3, cp = 1.71 kJ/k...

A 5-m diameter spherical tank is filled with liquid oxygen (ρ = 1141 kg/m3, cp = 1.71 kJ/kg•ºC) at -184ºC. It is observed that the temperature of oxygen increases to -183ºC in a 144-hour period. The average rate of heat transfer to the tank is

(a) 124 W

(b) 185 W

(c) 246 W

(d) 348 W

(e) 421 W

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A 5-m diameter spherical tank is filled with liquid oxygen (ρ = 1141 kg/m3, cp = 1.71 kJ/k...

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