GATE 2021 ES – Question 38
Air and Noise Pollution · Air Quality Management · 2 marks · Multiple choice
Match P diffusion, Q drag force, R atmospheric stability to i Pasquill, ii Fick, iii Stokes.
- P–iii, Q–ii, R–i
- P–ii, Q–i, R–iii
- P–i, Q–iii, R–ii
- P–ii, Q–iii, R–i
Practise this question in The GATE Grind →
Show answer and explanation
Correct answer: (D) P–ii, Q–iii, R–i
Explanation
Fick describes diffusive flux driven by concentration gradients. Stokes gives viscous drag for small spheres at low Reynolds number. Pasquill categories classify atmospheric stability. Thus **P–ii, Q–iii, R–i, D**.
More Air Quality Management questions
- GATE 2026 ES Q39 – Match CPCB continuous ambient monitoring pollutants P SO 2 (µg/m³),Q NO 2 (µg/m³),R PM 2.5…
- GATE 2026 ES Q40 – Match stability P Strong instability, Q Neutral stability, R Surface inversion, S Aloft…
- GATE 2026 ES Q46 – Which are assumptions of the Gaussian plume dispersion model? Select all that apply.
- GATE 2026 ES Q60 – At height 30 m, a stack cross-section is divided into four equal sectors. Sector…
- GATE 2025 ES Q20 – P:Under India’s 2009 NAAQS, the annual time-weighted PM 10 standard exceeds the PM 2.5…
- GATE 2025 ES Q27 – A researcher uses a conventional Gaussian plume model to estimate New Delhi pollution…
All Air Quality Management questions →