GATE Infrastructure, Services and Utilities: Water quality and testing – Previous Year Questions

6 GATE previous year questions on Water quality and testing (Infrastructure, Services and Utilities, Architecture and Planning) with answers and explanations, from every paper.

1. GATE 2022 AR — Planning Q41 (2 marks, Multiple select) – Under URDPFI 2015 drinking-water quality requirements, which acceptable-limit statements are correct?
2. GATE 2022 AR — Architecture Q41 (2 marks, Multiple select) – Under URDPFI 2015 drinking-water quality requirements, which acceptable-limit statements are correct?
3. GATE 2023 AR — Planning Q19 (1 mark, Multiple choice) – Which is NOT classified as an enteric pathogen in the given options?
4. GATE 2023 AR — Architecture Q19 (1 mark, Multiple choice) – Which is NOT classified as an enteric pathogen in the given options?
5. GATE 2025 AR — Planning Q16 (1 mark, Multiple choice) – Which water-quality relationship is correct?
6. GATE 2025 AR — Architecture Q16 (1 mark, Multiple choice) – Which water-quality relationship is correct?