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GATE ES: Water and Wastewater Management previous year questions

67 real GATE ES questions on Water and Wastewater Management from 2022–2026, with the official answer to each. Try them here, or practise this topic free on Student AI Hub with instant checking and your score.

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Water and Wastewater Management in GATE at a glance

Questions
67
1-mark / 2-mark
24 / 43
Numerical (NAT)
38
Multiple select (MSQ)
12

Questions per year: 2026: 12 · 2025: 14 · 2024: 13 · 2023: 12 · 2022: 16.

Water and Wastewater Management questions

Each question is shown exactly as in the official paper. Tap “Show answer” to check yourself.

GATE 2026 · Q.19 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2026 Q.19
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Answer: C · see the full paper

GATE 2026 · Q.20 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2026 Q.20
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Answer: B · see the full paper

GATE 2026 · Q.29 · 1 mark · MSQ

GATE ES Water and Wastewater Management question, GATE 2026 Q.29
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Answer: A, B, D · see the full paper

GATE 2026 · Q.35 · 1 mark · NAT

GATE ES Water and Wastewater Management question, GATE 2026 Q.35
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Answer: 3.025 to 3.125 · see the full paper

GATE 2026 · Q.44 · 2 marks · MSQ

GATE ES Water and Wastewater Management question, GATE 2026 Q.44
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Answer: B, C · see the full paper

GATE 2026 · Q.45 · 2 marks · MSQ

GATE ES Water and Wastewater Management question, GATE 2026 Q.45
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Answer: C · see the full paper

GATE 2026 · Q.50 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2026 Q.50
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Answer: 225 to 235 · see the full paper

GATE 2026 · Q.55 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2026 Q.55
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Answer: 2 to 2.5 · see the full paper

GATE 2026 · Q.56 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2026 Q.56
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Answer: 2.5 · see the full paper

GATE 2026 · Q.57 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2026 Q.57
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Answer: 2 to 2.4 · see the full paper

GATE 2026 · Q.58 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2026 Q.58
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Answer: 378 to 379 · see the full paper

GATE 2026 · Q.59 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2026 Q.59
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Answer: 114 · see the full paper

GATE 2025 · Q.16 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2025 Q.16
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Answer: D · see the full paper

GATE 2025 · Q.17 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2025 Q.17
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Answer: A · see the full paper

GATE 2025 · Q.18 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2025 Q.18
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Answer: B · see the full paper

GATE 2025 · Q.19 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2025 Q.19
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Answer: C · see the full paper

GATE 2025 · Q.35 · 1 mark · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.35
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Answer: 5.5 to 5.6 · see the full paper

GATE 2025 · Q.39 · 2 marks · MCQ

GATE ES Water and Wastewater Management question, GATE 2025 Q.39
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Answer: A · see the full paper

GATE 2025 · Q.45 · 2 marks · MSQ

GATE ES Water and Wastewater Management question, GATE 2025 Q.45
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Answer: B, D · see the full paper

GATE 2025 · Q.52 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.52
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Answer: 15 · see the full paper

GATE 2025 · Q.53 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.53
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Answer: 250 to 260 · see the full paper

GATE 2025 · Q.54 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.54
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Answer: 305 to 320 · see the full paper

GATE 2025 · Q.55 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.55
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Answer: 5.05 to 5.4 · see the full paper

GATE 2025 · Q.56 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.56
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Answer: 0.825 to 0.875 · see the full paper

GATE 2025 · Q.57 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.57
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Answer: 0.6 to 0.72 · see the full paper

GATE 2025 · Q.58 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2025 Q.58
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Answer: 25.6 to 25.8 · see the full paper

GATE 2024 · Q.17 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.17
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Answer: A · see the full paper

GATE 2024 · Q.18 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.18
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Answer: D · see the full paper

GATE 2024 · Q.26 · 1 mark · MSQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.26
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Answer: A, C, D · see the full paper

GATE 2024 · Q.27 · 1 mark · MSQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.27
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Answer: A, C · see the full paper

GATE 2024 · Q.28 · 1 mark · MSQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.28
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Answer: C, D · see the full paper

GATE 2024 · Q.35 · 1 mark · NAT

GATE ES Water and Wastewater Management question, GATE 2024 Q.35
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Answer: 16 · see the full paper

GATE 2024 · Q.39 · 2 marks · MCQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.39
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Answer: A · see the full paper

GATE 2024 · Q.40 · 2 marks · MCQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.40
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Answer: A · see the full paper

GATE 2024 · Q.46 · 2 marks · MSQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.46
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Answer: A, C · see the full paper

GATE 2024 · Q.47 · 2 marks · MSQ

GATE ES Water and Wastewater Management question, GATE 2024 Q.47
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Answer: A, B · see the full paper

GATE 2024 · Q.53 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2024 Q.53
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Answer: 63 · see the full paper

GATE 2024 · Q.54 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2024 Q.54
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Answer: 2.38 to 2.41 · see the full paper

GATE 2024 · Q.56 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2024 Q.56
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Answer: 3.4 to 3.5 · see the full paper

GATE 2023 · Q.29 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2023 Q.29
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Answer: D · see the full paper

GATE 2023 · Q.31 · 1 mark · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.31
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Answer: 1.35 to 1.4 · see the full paper

GATE 2023 · Q.34 · 1 mark · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.34
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Answer: 220 to 225 · see the full paper

GATE 2023 · Q.35 · 1 mark · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.35
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Answer: 24 to 26 · see the full paper

GATE 2023 · Q.51 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.51
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Answer: 20 to 22 · see the full paper

GATE 2023 · Q.52 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.52
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Answer: 1 to 1.2 · see the full paper

GATE 2023 · Q.53 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.53
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Answer: 162 to 166 · see the full paper

GATE 2023 · Q.54 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.54
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Answer: 1 to 1.15 · see the full paper

GATE 2023 · Q.56 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.56
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Answer: 0.23 to 0.245 · see the full paper

GATE 2023 · Q.57 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.57
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Answer: 1.9 to 2.2 · see the full paper

GATE 2023 · Q.58 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.58
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Answer: 54.4 to 54.8 · see the full paper

GATE 2023 · Q.65 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2023 Q.65
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Answer: 7.1 to 7.3 · see the full paper

GATE 2022 · Q.18 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.18
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Answer: B · see the full paper

GATE 2022 · Q.19 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.19
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Answer: A · see the full paper

GATE 2022 · Q.20 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.20
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Answer: A · see the full paper

GATE 2022 · Q.22 · 1 mark · MCQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.22
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Answer: D · see the full paper

GATE 2022 · Q.29 · 1 mark · MSQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.29
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Answer: B, C, D · see the full paper

GATE 2022 · Q.40 · 2 marks · MCQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.40
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Answer: C · see the full paper

GATE 2022 · Q.45 · 2 marks · MSQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.45
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Answer: B, C · see the full paper

GATE 2022 · Q.46 · 2 marks · MSQ

GATE ES Water and Wastewater Management question, GATE 2022 Q.46
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Answer: C, D · see the full paper

GATE 2022 · Q.56 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.56
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Answer: 3 · see the full paper

GATE 2022 · Q.57 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.57
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Answer: 230 to 233 · see the full paper

GATE 2022 · Q.58 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.58
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Answer: 7160 to 7163 · see the full paper

GATE 2022 · Q.59 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.59
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Answer: 39 to 40 · see the full paper

GATE 2022 · Q.60 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.60
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Answer: 1.95 to 2.05 · see the full paper

GATE 2022 · Q.61 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.61
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Answer: 1.15 to 1.35 · see the full paper

GATE 2022 · Q.62 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.62
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Answer: 280 · see the full paper

GATE 2022 · Q.63 · 2 marks · NAT

GATE ES Water and Wastewater Management question, GATE 2022 Q.63
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Answer: 989 to 991 · see the full paper

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