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Previous year question hub

Hydrology - Water Resources Engineering - Civil Engineering Previous Year Questions

Practice Hydrology - Water Resources Engineering - Civil Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

24Papers
18Years
55Questions
1Topics

Hydrology question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Hydrology. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 32 58.2%
Easy 23 41.8%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 33 60%
Numerical Answer Type (NAT) 20 36.4%
MSQ 2 3.6%

Subject weightage

Top subjects by unique question coverage.

Civil Engineering
55 Qs

Most asked topics

Top topics across the included previous year papers.

Water Resources Engineering
55 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Hydrology
55 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Civil Engineering (CE) 2026
3 Qs
Civil Engineering (CE) 2026
2 Qs
Civil Engineering (CE) 2025 [Session 1]
4 Qs
Civil Engineering (CE) 2025 [Session 2]
2 Qs
Civil Engineering (CE) 2024 [Session 1]
2 Qs
Civil Engineering (CE) 2024 [Session 2]
1 Qs
Civil Engineering (CE) 2022 [Session 2]
2 Qs
Civil Engineering (CE) 2020 [Session 2]
2 Qs
Civil Engineering (CE) 2019 [Session 2]
3 Qs
Civil Engineering (CE) 2018 [Session 2]
2 Qs
Civil Engineering (CE) 2017 [Session 2]
3 Qs
Civil Engineering (CE) 2016 [Session 2]
2 Qs
Civil Engineering (CE) 2016 [Session 1]
1 Qs
Civil Engineering (CE) 2015 [Session 1]
2 Qs
Civil Engineering (CE) 2015 [Session 2]
1 Qs
Civil Engineering (CE) 2014 [Session 1]
3 Qs
Civil Engineering (CE) 2014 [Session 2]
2 Qs
Civil Engineering (CE) 2013
3 Qs
Civil Engineering (CE) 2012
5 Qs
Civil Engineering (CE) 2011
4 Qs
Civil Engineering (CE) 2010
1 Qs
Civil Engineering (CE) 2009
2 Qs
Civil Engineering (CE) 2008
2 Qs
Civil Engineering (CE) 2007
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Civil Engineering (CE) 202620263View paper
Civil Engineering (CE) 202620262View paper
Civil Engineering (CE) 2025 [Session 1]20254View paper
Civil Engineering (CE) 2025 [Session 2]20252View paper
Civil Engineering (CE) 2024 [Session 1]20242View paper
Civil Engineering (CE) 2024 [Session 2]20241View paper
Civil Engineering (CE) 2022 [Session 2]20222View paper
Civil Engineering (CE) 2020 [Session 2]20202View paper
Civil Engineering (CE) 2019 [Session 2]20193View paper
Civil Engineering (CE) 2018 [Session 2]20182View paper
Civil Engineering (CE) 2017 [Session 2]20173View paper
Civil Engineering (CE) 2016 [Session 1]20161View paper
Civil Engineering (CE) 2016 [Session 2]20162View paper
Civil Engineering (CE) 2015 [Session 1]20152View paper
Civil Engineering (CE) 2015 [Session 2]20151View paper
Civil Engineering (CE) 2014 [Session 1]20143View paper
Civil Engineering (CE) 2014 [Session 2]20142View paper
Civil Engineering (CE) 201320133View paper
Civil Engineering (CE) 201220125View paper
Civil Engineering (CE) 201120114View paper
Civil Engineering (CE) 201020101View paper
Civil Engineering (CE) 200920092View paper
Civil Engineering (CE) 200820082View paper
Civil Engineering (CE) 200720071View paper

All Hydrology previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2007
Ordinate of a 3-hour unit hydrograph for the catchment at t = 3 hours is
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2
2014 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2014 [Session 1]
The monthly rainfall chart based on 50 years of rainfall in Agra is shown in the following figure. Which of the following are true? (k percentile is the value such that k percent of the data fall below that value)

(i) On average, it rains more in July than in December
(ii) Every year, the amount of rainfall in August is more than that in January
(iii) July rainfall can be estimated with better confidence than February rainfall
(iv) In August, there is at least 500 mm of rainfall

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3
2014 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2014 [Session 1]
A conventional flow duration curve is a plot between
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4
2014 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2014 [Session 1]
In reservoirs with an uncontrolled spillway, the peak of the plotted outflow hydrograph
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5
2014 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2014 [Session 2]
An isolated 3-h rainfall event on a small catchment produces a hydrograph peak and point of inflection on the falling limb of the hydrograph at 7 hours and 8.5 hours respectively, after the start of the rainfall. Assuming, no losses and no base flow contribution, the time of concentration (in hours) for this catchment is approximately
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6
2014 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2014 [Session 2]
The Muskingum model of routing a flood through a stream reach is expressed as O_2 = K_0 I_2 + K_1 I_1 + K_2 O_1, where K_0, K_1 and K_2 are the routing coefficients for the concerned reach, I_1 and I_2 are the inflows to the reach, and O_1 and O_2 are the outflows from the reach corresponding to time steps 1 and 2 respectively. The sum of K_0, K_1 and K_2 of the model is
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7
2015 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2015 [Session 1]
In a catchment, there are four rain-gauge stations, P, Q, R, and S. Normal annual precipitation values at these stations are 780 mm, 850 mm, 920 mm, and 980 mm, respectively. In the year 2013, stations Q, R, and S were operative but P was not. Using the normal ratio method, the precipitation at station P for the year 2013 has been estimated as 860 mm. If the observed precipitation at stations Q and R for the year 2013 were 930 mm and 1010 mm, respectively, what was the observed precipitation (in mm) at station S for that year?

Question diagram

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8
2015 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2015 [Session 1]
The 4-hr unit hydrograph for a catchment is given in the table below. What would be the maximum ordinate of the S-curve (in m³/s) derived from this hydrograph?

Question diagram

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9
2015 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2015 [Session 2]
The average surface area of a reservoir in the month of June is 20 km². In the same month, the average rate of inflow is 10 m³/s, outflow rate is 15 m³/s, monthly rainfall is 10 cm, monthly seepage loss is 1.8 cm and the storage change is 16 million m³. The evaporation (in cm) in that month is:
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10
2016 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2016 [Session 1]
The type of flood routing (Group I) and the equation(s) used for the purpose (Group II) are given below.
Group IGroup II
P: Hydrologic flood routing1: Continuity equation
Q: Hydraulic flood routing2: Momentum equation
3: Energy equation

The correct match is
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11
2016 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2016 [Session 2]
Water table of an aquifer drops by 100 cm over an area of 1000 km². The porosity and specific retention of the aquifer material are 25% and 5%, respectively. The amount of water (expressed in km³) drained out from the area is ________
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12
2016 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2016 [Session 2]
The ordinates of a one-hour unit hydrograph at sixty minute interval are 0, 3, 12, 8, 6, 3 and 0 m³/s. A two-hour storm of 4 cm excess rainfall occurred in the basin from 10 AM. Considering constant base flow of 20 m³/s, the flow of the river (expressed in m³/s) at 1 PM is _____
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13
2017 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2017 [Session 2]
During a storm event in a certain period, the rainfall intensity is 3.5 cm/hour and the Φ-index is 1.5 cm/hour. The intensity of effective rainfall (in cm/hour, up to one decimal place) for this period is ________
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14
2017 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2017 [Session 2]
The infiltration capacity of a soil follows the Horton's exponential model, \( f = c_1 + c_2 e^{-kt} \). During an experiment, the initial infiltration capacity was observed to be 200 mm/h. After a long time, the infiltration capacity was reduced to 25 mm/h. If the infiltration capacity after 1 hour was 90 mm/h, the value of the decay rate constant, \( k \) (in h⁻¹, up to two decimal places) is __________
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15
2017 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2017 [Session 2]
A catchment is idealized as a 25 km × 25 km square. It has five rain gauges, one at each corner and one at the center, as shown in the figure.

During a month, the precipitation at these gauges is measured as G₁ = 300 mm, G₂ = 285 mm, G₃ = 272 mm, G₄ = 290 mm and G₅ = 288 mm. The average precipitation (in mm, up to one decimal place) over the catchment during this month by using the Thiessen polygon method is __________

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16
2018 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2018 [Session 2]
Dupuit's assumptions are valid for
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17
2018 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2018 [Session 2]

The total rainfall in a catchment of area 1000 km2, during a 6 h storm, is 19 cm. The surface runoff due to this storm computed from triangular direct runoff hydrograph is 1×108 m3. The φindex for this storm (in cm/h, up to one decimal place) is ______

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18
2019 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2019 [Session 2]
An inflow hydrograph is routed through a reservoir to produce an outflow hydrograph. The peak flow of the inflow hydrograph is \(P_I\) and the time of occurrence of the peak is \(t_I\). The peak flow of the outflow hydrograph is \(P_O\) and the time of occurrence of the peak is \(t_O\). Which one of the following statements is correct?
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19
2019 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2019 [Session 2]
A confined aquifer of 15 m constant thickness is sandwiched between two aquicludes as shown in the figure (not drawn to scale).
The heads indicated by two piezometers P and Q are 55.2 m and 34.1 m, respectively. The aquifer has a hydraulic conductivity of 80 m/day and its effective porosity is 0.25. If the distance between the piezometers is 2500 m, the time taken by the water to travel through the aquifer from piezometer location P to Q (in days, round off to 1 decimal place) is ____________

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20
2019 · Civil Engineering · Water Resources Engineering · Hydrology
Civil Engineering (CE) 2019 [Session 2]
The ordinates, u, of a 2-hour unit hydrograph (i.e., for 1 cm of effective rain), for a catchment are shown in the table.
t (hour)0123456789101112
u (m³/s)0281832453019127310

A 6-hour storm occurs over the catchment such that the effective rainfall intensity is 1 cm/hour for the first two hours, zero for the next two hours, and 0.5 cm/hour for the last two hours. If the base flow is constant at 5 m³/s, the peak flow due to this storm (in m³/s, round off to 1 decimal place) will be ____________
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Showing 20 of 55 questions