1.0 A mass of ice at -7 °C is needed to cool 124 kg of vegetables (Cp = 3.35 KJ /kg.K )in a bunker for 24 hours . The initial temperature of the vegetables is assumed to be 29 °C . It is also assumed that the average temperature in the bunker is 7°C within the 24 - hour period . If the heat gained per hour in the bunker is 30% of the heat removed to the vegetables from 29 °C to 8°C, what would be the required mass of ice ?

1.0 A mass of ice at -7 °C is needed to cool 124 kg of vegetables (Cp = 3.35 KJ /kg.K )in a bunker for 24 hours . The initial temperature of the vegetables is assumed to be 29 °C . It is also assumed that the average temperature in the bunker is 7°C within the 24 - hour period . If the heat gained per hour in the bunker is 30% of the heat removed to the vegetables from 29 °C to 8°C, what would be the required mass of ice ?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

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A mass of ice at -7 C is needed to cool 224 kg of vegetables (Cp = 3.35 KJ /kg.K )in a bunker for 24 hours. The initial temperature of the vegetables is assumed to be 29 C . It is also assumed that the average temperature in the bunker is 7C within the 24 -hour period . If the heat gained per hour in the bunker is 25% of the heat removed to the vegetables from 29 C to 7C, what would be the required mass of ice ? show t-s diagram