GATE AR 2021 AR Q31: Services and Infrastructure

Match the various types of impurities present in water in Group I with the appropriate water treatment process given in Group II.

Group I: P — Fine suspended matter; Q — Pathogenic bacteria; R — Color, odour and taste; S — Floating matter as leaves.

Group II: 1 — Aeration; 2 — Plain sedimentation; 3 — Sedimentation with coagulation; 4 — Screening; 5 — Disinfection

Your answerChoose one option.

P–2, Q–5, R–3, S–4

P–3, Q–4, R–1, S–2

P–1, Q–4, R–3, S–2

P–3, Q–5, R–1, S–4

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