GATE Mass Transfer: Fick's laws, molecular diffusion and mass transfer coefficients – Previous Year Questions
7 GATE previous year questions on Fick's laws, molecular diffusion and mass transfer coefficients (Mass Transfer, Chemical Engineering) with answers and explanations, from every paper.
- GATE 2022 CH Q17 – Consider two stationary spherical pure water droplets of diameters d 1 and 2d 1. CO 2 diffuses into the droplets from the surroundings. If the rate of…
- GATE 2022 CH Q31 – Consider steady-state diffusion in a binary A-B liquid at constant temperature and pressure. The mole-fraction of A at two different locations is 0.8…
- GATE 2023 CH Q35 – In a binary gas-liquid system, N A,EMD is the molar flux of a gas A for equimolar counter diffusion with a liquid B. N A,UMD is the molar flux of A…
- GATE 2024 CH Q17 – Consider the steady, uni-directional diffusion of a binary mixture of A and B across a vertical slab of dimensions 0.2 m × 0.1 m × 0.02 m as shown in…
- GATE 2024 CH Q41 – Sulfur dioxide (SO 2) gas diffuses through a stagnant air-film of thickness 2 mm at 1 bar and 30 °C. The diffusion coefficient of SO 2 in air is 1…
- GATE 2025 CH Q56 – Solute A is absorbed from a gas into water in a packed bed operating at steady state. The absorber operating pressure and temperature are 1 atm and…
- GATE 2026 CH Q33 – Consider a non-reactive binary mixture of two ideal gases A and B in an isothermal horizontal closed tube. Due to the concentration difference at the…