Q:

What is the expression for optimum intercooler or intermediate pressure P2 if the cooling ratio is fixed in a compound compression refrigeration system with intercooling?

A) P₂ = P₁ / P₃ B) P₂ = P₃ / P₁
C) P₂ = √P₁ x P₃ D) P₂ = ∛P₁ x P₃
 

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