The GATE Grind

GATE Process Calculations: Gibbs phase rule and degree of freedom analysis – Previous Year Questions

3 GATE previous year questions on Gibbs phase rule and degree of freedom analysis (Process Calculations, Chemical Engineering) with answers and explanations, from every paper.

  1. GATE 2024 CH Q14 (1 mark, Multiple choice) – A homogeneous azeotropic distillation process separates an azeotropic AB binary feed using a heavy entrainer, E, as shown in the figure. The loss of E…
  2. GATE 2025 CH Q15 (1 mark, Multiple choice) – The number of independent intensive variables that need to be specified to determine the thermodynamic state of a ternary mixture at…
  3. GATE 2026 CH Q16 (1 mark, Multiple choice) – According to the phase rule, which one of the following is the number of degrees of freedom for pure water at its triple point?