For a given temperature T1, as the difference between T1 and T2 increa – McqOptions

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1.	For a given temperature T₁, as the difference between T₁ and T₂ increases, the COP of a carnot heat pump ___________
A.	increases
B.	decreases
C.	first increases, then decreases
D.	none of the mentioned
Answer» C. first increases, then decreases

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