The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________? / CHEMICAL ENGINEERING, Thermodynamics for Chemical / By admin The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________? A. ∞ B. 1C. 0 D. -ve