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GATE CE: Environmental Engineering previous year questions

72 real GATE CE questions on Environmental Engineering 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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Environmental Engineering in GATE at a glance

Questions
72
1-mark / 2-mark
29 / 43
Numerical (NAT)
28
Multiple select (MSQ)
19

Questions per year: 2026: 14 · 2025: 14 · 2024: 10 · 2023: 16 · 2022: 18.

Environmental Engineering questions

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

GATE 2026 Set 1 · Q.21 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2026 Q.21
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Answer: D · see the full paper

GATE 2026 Set 1 · Q.22 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2026 Q.22
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Answer: B · see the full paper

GATE 2026 Set 1 · Q.25 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2026 Q.25
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Answer: A, C, D · see the full paper

GATE 2026 Set 1 · Q.44 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2026 Q.44
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Answer: A · see the full paper

GATE 2026 Set 1 · Q.63 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2026 Q.63
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Answer: 230 to 250 · see the full paper

GATE 2026 Set 1 · Q.64 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2026 Q.64
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Answer: 300 · see the full paper

GATE 2026 Set 1 · Q.65 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2026 Q.65
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Answer: 11 to 12 · see the full paper

GATE 2026 Set 2 · Q.27 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2026 Q.27
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Answer: A · see the full paper

GATE 2026 Set 2 · Q.28 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2026 Q.28
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Answer: A · see the full paper

GATE 2026 Set 2 · Q.29 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2026 Q.29
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Answer: A · see the full paper

GATE 2026 Set 2 · Q.42 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2026 Q.42
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Answer: A · see the full paper

GATE 2026 Set 2 · Q.63 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2026 Q.63
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Answer: 13 to 15 · see the full paper

GATE 2026 Set 2 · Q.64 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2026 Q.64
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Answer: 8 to 10 · see the full paper

GATE 2026 Set 2 · Q.65 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2026 Q.65
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Answer: 0.9 to 1.1 · see the full paper

GATE 2025 Set 1 · Q.21 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2025 Q.21
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Answer: C · see the full paper

GATE 2025 Set 1 · Q.22 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2025 Q.22
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Answer: D · see the full paper

GATE 2025 Set 1 · Q.31 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2025 Q.31
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Answer: A, B · see the full paper

GATE 2025 Set 1 · Q.32 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2025 Q.32
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Answer: A, C · see the full paper

GATE 2025 Set 1 · Q.44 · 2 marks · MSQ

GATE CE Environmental Engineering question, GATE 2025 Q.44
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Answer: C, D · see the full paper

GATE 2025 Set 1 · Q.45 · 2 marks · MSQ

GATE CE Environmental Engineering question, GATE 2025 Q.45
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Answer: A, B · see the full paper

GATE 2025 Set 1 · Q.46 · 2 marks · MSQ

GATE CE Environmental Engineering question, GATE 2025 Q.46
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Answer: A, B · see the full paper

GATE 2025 Set 2 · Q.17 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2025 Q.17
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Answer: C · see the full paper

GATE 2025 Set 2 · Q.27 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2025 Q.27
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Answer: D · see the full paper

GATE 2025 Set 2 · Q.34 · 1 mark · NAT

GATE CE Environmental Engineering question, GATE 2025 Q.34
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Answer: 2.5 to 2.6 · see the full paper

GATE 2025 Set 2 · Q.49 · 2 marks · MSQ

GATE CE Environmental Engineering question, GATE 2025 Q.49
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Answer: A, B, C · see the full paper

GATE 2025 Set 2 · Q.61 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2025 Q.61
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Answer: 50 · see the full paper

GATE 2025 Set 2 · Q.62 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2025 Q.62
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Answer: 12.3 to 12.7 · see the full paper

GATE 2025 Set 2 · Q.63 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2025 Q.63
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Answer: 21 to 45 · see the full paper

GATE 2024 Set 1 · Q.21 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2024 Q.21
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Answer: B · see the full paper

GATE 2024 Set 1 · Q.31 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2024 Q.31
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Answer: A, B · see the full paper

GATE 2024 Set 1 · Q.43 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2024 Q.43
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Answer: A · see the full paper

GATE 2024 Set 1 · Q.60 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2024 Q.60
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Answer: 7.8 to 8 · see the full paper

GATE 2024 Set 1 · Q.61 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2024 Q.61
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Answer: 99 to 100 or 154 to 156 · see the full paper

GATE 2024 Set 2 · Q.25 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2024 Q.25
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Answer: D · see the full paper

GATE 2024 Set 2 · Q.26 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2024 Q.26
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Answer: C · see the full paper

GATE 2024 Set 2 · Q.42 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2024 Q.42
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Answer: A · see the full paper

GATE 2024 Set 2 · Q.60 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2024 Q.60
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Answer: 3 to 3.4 · see the full paper

GATE 2024 Set 2 · Q.61 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2024 Q.61
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Answer: 9.9 to 10.2 · see the full paper

GATE 2023 Set 1 · Q.20 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2023 Q.20
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Answer: D · see the full paper

GATE 2023 Set 1 · Q.27 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2023 Q.27
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Answer: A, C · see the full paper

GATE 2023 Set 1 · Q.28 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2023 Q.28
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Answer: B · see the full paper

GATE 2023 Set 1 · Q.45 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2023 Q.45
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Answer: D · see the full paper

GATE 2023 Set 1 · Q.50 · 2 marks · MSQ

GATE CE Environmental Engineering question, GATE 2023 Q.50
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Answer: B, D · see the full paper

GATE 2023 Set 1 · Q.62 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2023 Q.62
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Answer: 18 to 19 · see the full paper

GATE 2023 Set 1 · Q.63 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2023 Q.63
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Answer: 12 to 15 · see the full paper

GATE 2023 Set 1 · Q.64 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2023 Q.64
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Answer: 16200 · see the full paper

GATE 2023 Set 2 · Q.22 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2023 Q.22
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Answer: B · see the full paper

GATE 2023 Set 2 · Q.29 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2023 Q.29
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Answer: D · see the full paper

GATE 2023 Set 2 · Q.34 · 1 mark · NAT

GATE CE Environmental Engineering question, GATE 2023 Q.34
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Answer: 0.84 to 0.85 · see the full paper

GATE 2023 Set 2 · Q.45 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2023 Q.45
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Answer: D · see the full paper

GATE 2023 Set 2 · Q.48 · 2 marks · MSQ

GATE CE Environmental Engineering question, GATE 2023 Q.48
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Answer: A, C, D · see the full paper

GATE 2023 Set 2 · Q.49 · 2 marks · MSQ

GATE CE Environmental Engineering question, GATE 2023 Q.49
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Answer: B, C · see the full paper

GATE 2023 Set 2 · Q.64 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2023 Q.64
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Answer: 1.8 to 2 · see the full paper

GATE 2023 Set 2 · Q.65 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2023 Q.65
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Answer: 10.58 to 10.78 · see the full paper

GATE 2022 Set 1 · Q.22 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2022 Q.22
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Answer: A · see the full paper

GATE 2022 Set 1 · Q.26 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2022 Q.26
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Answer: A, B · see the full paper

GATE 2022 Set 1 · Q.27 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2022 Q.27
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Answer: B, D · see the full paper

GATE 2022 Set 1 · Q.42 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2022 Q.42
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Answer: A · see the full paper

GATE 2022 Set 1 · Q.43 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2022 Q.43
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Answer: A · see the full paper

GATE 2022 Set 1 · Q.59 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.59
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Answer: 29 to 30 · see the full paper

GATE 2022 Set 1 · Q.60 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.60
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Answer: 1000 to 1005 · see the full paper

GATE 2022 Set 1 · Q.61 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.61
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Answer: 0.38 to 0.42 · see the full paper

GATE 2022 Set 2 · Q.22 · 1 mark · MCQ

GATE CE Environmental Engineering question, GATE 2022 Q.22
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Answer: A · see the full paper

GATE 2022 Set 2 · Q.26 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2022 Q.26
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Answer: A, B · see the full paper

GATE 2022 Set 2 · Q.27 · 1 mark · MSQ

GATE CE Environmental Engineering question, GATE 2022 Q.27
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Answer: B, D · see the full paper

GATE 2022 Set 2 · Q.42 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2022 Q.42
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Answer: A · see the full paper

GATE 2022 Set 2 · Q.43 · 2 marks · MCQ

GATE CE Environmental Engineering question, GATE 2022 Q.43
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Answer: A · see the full paper

GATE 2022 Set 2 · Q.48 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.48
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Answer: 6.3 to 6.5 · see the full paper

GATE 2022 Set 2 · Q.58 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.58
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Answer: 2.05 to 2.35 · see the full paper

GATE 2022 Set 2 · Q.59 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.59
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Answer: 29 to 30 · see the full paper

GATE 2022 Set 2 · Q.60 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.60
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Answer: 1000 to 1005 · see the full paper

GATE 2022 Set 2 · Q.61 · 2 marks · NAT

GATE CE Environmental Engineering question, GATE 2022 Q.61
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Answer: 0.38 to 0.42 · see the full paper

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