The GATE Grind

GATE Hydrology: Streamflow measurements, unit hydrographs, hydrograph analysis – Previous Year Questions

3 GATE previous year questions on Streamflow measurements, unit hydrographs, hydrograph analysis (Hydrology, Civil Engineering) with answers and explanations, from every paper.

  1. GATE 2023 CE (CE1) Q34 (1 mark, Numerical answer) – The ordinates of a one-hour unit hydrograph for a catchment are given below. t (hour) 0 1 2 3 4 5 6 7 --- --- --- --- --- --- --- --- --- Q (m3/s) 0 9…
  2. GATE 2024 CE (CE1) Q56 (2 marks, Numerical answer) – The ordinates of a 1-hour unit hydrograph (UH) are given below. Time (hours) 0 1 2 3 4 5 --- --- --- --- --- --- --- Ordinates of 1-hour UH (m3/s) 0…
  3. GATE 2025 CE (CE2) Q59 (2 marks, Numerical answer) – The peak of flood hydrograph due to a 3-hour duration storm in a catchment is 180 m3/s. The total rainfall depth is 6.6 cm. It can be assumed that the…