The GATE Grind

GATE Project Management and Professional Practice: Construction project management techniques e.g. PERT, CPM – Previous Year Questions

11 GATE previous year questions on Construction project management techniques e.g. PERT, CPM (Project Management and Professional Practice, Architecture and Planning) with answers and explanations, from every paper.

  1. GATE 2021 AR Q62 (2 marks, Numerical answer) – Activities P, Q, R, S, T have durations 2, 4, 5, 6, 3 weeks. P’s successor is R; Q’s successors are R and S; R’s successor is T; S and T have none.…
  2. GATE 2022 AR — Planning Q46 (2 marks, Numerical answer) – The diagram gives activity durations and early/late start/finish times in weeks. Find the interfering float of activity R, as an integer.
  3. GATE 2022 AR — Architecture Q46 (2 marks, Numerical answer) – The diagram gives activity durations and early/late start/finish times in weeks. Find the interfering float of activity R, as an integer.
  4. GATE 2023 AR — Planning Q46 (2 marks, Numerical answer) – A project starts 29 January with no holidays. Activity A:96 m³, 8 workers, 3 m³/worker-day; B:252 m³, 7 workers, 4 m³/worker-day; C:275 m³, 5 workers,…
  5. GATE 2023 AR — Architecture Q46 (2 marks, Numerical answer) – A project starts 29 January with no holidays. Activity A:96 m³, 8 workers, 3 m³/worker-day; B:252 m³, 7 workers, 4 m³/worker-day; C:275 m³, 5 workers,…
  6. GATE 2024 AR — Planning Q45 (2 marks, Numerical answer) – Using the activity-on-node network shown, with durations in days and start time 0, find total critical-path project duration, as an integer.
  7. GATE 2024 AR — Architecture Q45 (2 marks, Numerical answer) – Using the activity-on-node network shown, with durations in days and start time 0, find total critical-path project duration, as an integer.
  8. GATE 2025 AR — Planning Q46 (2 marks, Numerical answer) – Project paths are P→R and Q→S. Activity(normal weeks, crash weeks, normal₹, crash₹):P(8, 5, 20000, 26000), Q(5, 2, 30000, 33000), R(6, 4, 40000,…
  9. GATE 2025 AR — Architecture Q46 (2 marks, Numerical answer) – Project paths are P→R and Q→S. Activity(normal weeks, crash weeks, normal₹, crash₹):P(8, 5, 20000, 26000), Q(5, 2, 30000, 33000), R(6, 4, 40000,…
  10. GATE 2026 AR — Planning Q46 (2 marks, Numerical answer) – A PERT project starts 27 July 2026. Activities and (optimistic, most likely, pessimistic) days are P 1→2(4, 6, 8), Q 1→3(5, 6, 13), R 2→5(6, 8, 22), S…
  11. GATE 2026 AR — Architecture Q46 (2 marks, Numerical answer) – A PERT project starts 27 July 2026. Activities and (optimistic, most likely, pessimistic) days are P 1→2(4, 6, 8), Q 1→3(5, 6, 13), R 2→5(6, 8, 22), S…