What are the limitations to the signs of heat exchange from hot cold reservoirs if a two-temperature machine operates between two Positive temperatures

heat must be rejected to both the sources

heat must be rejected to hot source and abstracted from cold source

heat must be abstracted from hot source and rejected to cold source

heat must be abstracted from both the sources

What are the limitations to the signs of heat exchange from hot cold r

1.	What are the limitations to the signs of heat exchange from hot cold reservoirs if a two-temperature machine operates between two Positive temperatures
A.	heat must be rejected to hot source and abstracted from cold source
B.	heat must be abstracted from hot source and rejected to cold source
C.	heat must be rejected to both the sources
D.	heat must be abstracted from both the sources
Answer» C. heat must be rejected to both the sources

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What are the limitations to the signs of heat exchange from hot cold reservoirs if a two-temperature machine operates between two Positive temperatures

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