Question: A cubic cold chamber, 3m on a side, is insulated by mean of Styrofoam and must maintain an interior temperature of -10OC. Due to loadshedding

A cubic cold chamber, 3m on a side, is insulated by mean of Styrofoam and must maintain an interior temperature of -10OC. Due to loadshedding the temperature rises to 0oC after only 60 minutes. If the ambient temperature is 30 degrees, determine the insulator thickness .

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