GATE Plant Design and Economics: Optimization in process design and equipment sizing – Previous Year Questions

2 GATE previous year questions on Optimization in process design and equipment sizing (Plant Design and Economics, Chemical Engineering) with answers and explanations, from every paper.

1. GATE 2022 CH Q25 (1 mark, Multiple choice) – A simple distillation column is designed to separate an ideal binary mixture to specified distillate and bottoms purities at a given column pressure.…
2. GATE 2025 CH Q64 (2 marks, Numerical answer) – Consider the flowsheet in the figure for manufacturing C via the reaction A + B C in an isothermal CSTR. The split in the separator is perfect so that…