3. A Carnot engine is coupled to a Carnot refrigerator so that all the work produced by the engine is used by the refrigerator in extraction of heat from a heat reservoir at 0 °C at the rate of 35 kJ/s. The source of energy of the Carnot engine is a heat reservoir at 250 °C. If both devices discard heat to the surroundings at 25 °C, how much heat does the engine absorb from its heat-source reservoir ? Draw a schematic diagram of the coupling of the heat engine and the refrigerator showing the direction of heat absorbed and discarded and the work involved.

3. A Carnot engine is coupled to a Carnot refrigerator so that all the work produced by the engine is used by the refrigerator in extraction of heat from a heat reservoir at 0 °C at the rate of 35 kJ/s. The source of energy of the Carnot engine is a heat reservoir at 250 °C. If both devices discard heat to the surroundings at 25 °C, how much heat does the engine absorb from its heat-source reservoir ? Draw a schematic diagram of the coupling of the heat engine and the refrigerator showing the direction of heat absorbed and discarded and the work involved.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

3. A Carnot engine is coupled to a Carnot refrigerator so that all the work produced by the engine is
used by the refrigerator in extraction of heat from a heat reservoir at 0 °C at the rate of 35 kJ/s. The
source of energy of the Carnot engine is a heat reservoir at 250 °C. If both devices discard heat to the
surroundings at 25 °C, how much heat does the engine absorb from its heat-source reservoir ? Draw a
schematic diagram of the coupling of the heat engine and the refrigerator showing the direction of heat
absorbed and discarded and the work involved.

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