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A refrigerating machine is driven by a motor of output power 2.25 kW and 2.5 tons of ice at -7°C made per day from water at 18°C. Calculate the coefficient of performance of the machine and express its capacity in terms of tons of ice per 24 hours from and at 0°C, taking the following values: Specific heat of water = 4.2 kJ/kg-K Specific heat of ice = 2.04 kJ/kg-K Enthalpy of fusion of ice = 335 kJ/kg-K

A refrigerating machine is driven by a motor of output power 2.25 kW and 2.5 tons of ice at -7°C made per day from water at 18°C. Calculate the coefficient of performance of the machine and express its capacity in terms of tons of ice per 24 hours from and at 0°C, taking the following values: Specific heat of water = 4.2 kJ/kg-K Specific heat of ice = 2.04 kJ/kg-K Enthalpy of fusion of ice = 335 kJ/kg-K

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
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5. A refrigerating machine is driven by a motor of output power 2.25 kW and 2.5 tons of ice at -7°C made per day from water at 18°C. Calculate the coefficient of performance of the machine and express its capacity in terms of tons of ice per 24 hours from and at 0°C, taking the following values: Specific heat of water = 4.2 kJ/kg-K Specific heat of ice = 2.04 kJ/kg-K Enthalpy of fusion of ice = 335 kJ/kg-K
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