Enthalpy ‘H’ is defined as A) H = E – PV B) H = F – TS C) H – E = PV D) None Of Above Related MCQs: In PowerPoint ……. defined contains pre-defined template. In PowerPoint ……. defined contains pre-defined template. A pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in the ideal refrigeration cycle is Enthalpy changes over a constant pressure path are always zero for ——- gas