(a) The air conditioning unit of a car is operating on a summer
day when the...
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Mechanical Engineering
(a) The air conditioning unit of a car is operating on a summerday when the temperature is 37°C. It cools the air to 6°C using 3kWof power output. The A/C has a COP of 4. Find the mass flow rate ofthe cold air that the A/C unit can provide on that particular day.(15 points)
(b) A building freezer that is used to freeze vegetablesrequires 40 tons of refrigeration to keep the food frozen. Thetemperature of the freezer is -35°C and the ambient temperatureoutside the building is 30°C. If the performance of the freezer is20% of the theoretical best possible cycle, what is the powerrequired to run the freezer. 1 ton of refrigeration is equivalentto 210 kJ/min. (15 points
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Part aCOP of refrigerator is defined as ratio of Net cooling effectproduced to Work Supplied to SystemTo
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