GATE Building Services: Air-Conditioning systems – Previous Year Questions

6 GATE previous year questions on Air-Conditioning systems (Building Services, Architecture and Planning) with answers and explanations, from every paper.

1. GATE 2021 AR Q30 (1 mark, Multiple choice) – Coefficient of Performance(COP) is used to calculate which listed energy-efficiency measure?
2. GATE 2022 AR — Planning Q42 (2 marks, Multiple select) – For the ideal vapour-compression air-conditioning cycle shown, which statements about labelled segments are true?
3. GATE 2022 AR — Architecture Q42 (2 marks, Multiple select) – For the ideal vapour-compression air-conditioning cycle shown, which statements about labelled segments are true?
4. GATE 2024 AR — Architecture Q51 (1 mark, Multiple choice) – In the cooling-mode unitary air-conditioner diagram, what is component P?
5. GATE 2026 AR — Planning Q34 (2 marks, Multiple choice) – Match P VAV, Q DEWAT, R El Niño, S BRTS with 1 continent–ocean heat balance, 2 public transport, 3 intelligent building air conditioning, 4…
6. GATE 2026 AR — Architecture Q34 (2 marks, Multiple choice) – Match P VAV, Q DEWAT, R El Niño, S BRTS with 1 continent–ocean heat balance, 2 public transport, 3 intelligent building air conditioning, 4…