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Previous year question hub

Hydraulics - Water Resources Engineering - Civil Engineering Previous Year Questions

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

23Papers
17Years
66Questions
1Topics

Hydraulics question pattern

Every graph below is calculated only from this selection.

Questions by year

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

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 40 60.6%
Easy 21 31.8%
Hard 5 7.6%

Question type distribution

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

MCQ 33 50%
Numerical Answer Type (NAT) 28 42.4%
MSQ 4 6.1%
Fill in the blanks 1 1.5%

Subject weightage

Top subjects by unique question coverage.

Civil Engineering
66 Qs

Most asked topics

Top topics across the included previous year papers.

Water Resources Engineering
66 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Hydraulics
66 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
3 Qs
Civil Engineering (CE) 2025 [Session 2]
6 Qs
Civil Engineering (CE) 2025 [Session 1]
3 Qs
Civil Engineering (CE) 2024 [Session 2]
4 Qs
Civil Engineering (CE) 2024 [Session 1]
3 Qs
Civil Engineering (CE) 2022 [Session 2]
2 Qs
Civil Engineering (CE) 2020 [Session 2]
2 Qs
Civil Engineering (CE) 2019 [Session 2]
1 Qs
Civil Engineering (CE) 2018 [Session 2]
1 Qs
Civil Engineering (CE) 2017 [Session 2]
2 Qs
Civil Engineering (CE) 2016 [Session 1]
4 Qs
Civil Engineering (CE) 2016 [Session 2]
3 Qs
Civil Engineering (CE) 2015 [Session 1]
3 Qs
Civil Engineering (CE) 2015 [Session 2]
1 Qs
Civil Engineering (CE) 2014 [Session 1]
1 Qs
Civil Engineering (CE) 2014 [Session 2]
1 Qs
Civil Engineering (CE) 2013
2 Qs
Civil Engineering (CE) 2012
3 Qs
Civil Engineering (CE) 2011
4 Qs
Civil Engineering (CE) 2010
4 Qs
Civil Engineering (CE) 2009
2 Qs
Civil Engineering (CE) 2008
8 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) 202620263View paper
Civil Engineering (CE) 2025 [Session 1]20253View paper
Civil Engineering (CE) 2025 [Session 2]20256View paper
Civil Engineering (CE) 2024 [Session 1]20243View paper
Civil Engineering (CE) 2024 [Session 2]20244View paper
Civil Engineering (CE) 2022 [Session 2]20222View paper
Civil Engineering (CE) 2020 [Session 2]20202View paper
Civil Engineering (CE) 2019 [Session 2]20191View paper
Civil Engineering (CE) 2018 [Session 2]20181View paper
Civil Engineering (CE) 2017 [Session 2]20172View paper
Civil Engineering (CE) 2016 [Session 1]20164View paper
Civil Engineering (CE) 2016 [Session 2]20163View paper
Civil Engineering (CE) 2015 [Session 1]20153View paper
Civil Engineering (CE) 2015 [Session 2]20151View paper
Civil Engineering (CE) 2014 [Session 1]20141View paper
Civil Engineering (CE) 2014 [Session 2]20141View paper
Civil Engineering (CE) 201320132View paper
Civil Engineering (CE) 201220123View paper
Civil Engineering (CE) 201120114View paper
Civil Engineering (CE) 201020104View paper
Civil Engineering (CE) 200920092View paper
Civil Engineering (CE) 200820088View paper

All Hydraulics previous year questions

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

1
2014 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2014 [Session 1]
A rectangular channel having a bed slope of 0.0001, width 3.0 m and Manning’s coefficient ‘n’ 0.015, carries a discharge of 1.0 $\text{m}^3/\text{s}$. Given that the normal depth of flow ranges between 0.76 m and 0.8 m. The minimum width of a throat (in m) that is possible at a given section, while ensuring that the prevailing normal depth is not exceeded along the reach upstream of the contraction, is approximately equal to (assume negligible losses)
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2
2014 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2014 [Session 2]
A rectangular channel of 2.5 m width is carrying a discharge of 4 m3/s. Considering that acceleration due to gravity as 9.81 m/s2, the velocity of flow (in m/s) corresponding to the critical depth (at which the specific energy is minimum) is __________
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3
2015 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2015 [Session 1]
Two reservoirs are connected through a 930 m long, 0.3 m diameter pipe, which has a gate valve. The pipe entrance is sharp (loss coefficient = 0.5) and the valve is half-open (loss coefficient = 5.5). The head difference between the two reservoirs is 20 m. Assume the friction factor for the pipe as 0.03 and \(g = 10\) m/s². The discharge in the pipe accounting for all minor and major losses is _______________ m³/s.
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4
2015 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2015 [Session 1]
A hydraulic jump is formed in a 2 m wide rectangular channel which is horizontal and frictionless. The post-jump depth and velocity are 0.8 m and 1 m/s, respectively. The pre-jump velocity is __________ m/s. (use g = 10 m/s²).
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5
2015 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2015 [Session 1]
A short reach of a 2 m wide rectangular open channel has its bed level rising in the direction of flow at a slope of 1 in 10000. It carries a discharge of 4 m³/s and its Manning’s roughness coefficient is 0.01. The flow in this reach is gradually varying. At a certain section in this reach, the depth of flow was measured as 0.5 m. The rate of change of the water depth with distance, dy/dx, at this section is __________ (use g = 10 m/s²).
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6
2015 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2015 [Session 2]
A pipe of 0.7 m diameter has a length of 6 km and connects two reservoirs A and B. The water level in reservoir A is at an elevation 30 m above the water level in reservoir B. Halfway along the pipe line, there is a branch through which water can be supplied to a third reservoir C. The friction factor of the pipe is 0.024. The quantity of water discharged into reservoir C is 0.15 m³/s. Considering the acceleration due to gravity as 9.81 m/s² and neglecting minor losses, the discharge (in m³/s) into the reservoir B is __________.
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7
2016 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2016 [Session 1]
The pre-jump Froude Number for a particular flow in a horizontal rectangular channel is 10. The ratio of sequent depths (i.e., post-jump depth to pre-jump depth) is ______
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8
2016 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2016 [Session 1]
A concrete gravity dam section is shown in the figure. Assuming unit weight of water as 10 kN/m³ and unit weight of concrete as 24 kN/m³, the uplift force per unit length of the dam (expressed in kN/m) at PQ is ______
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9
2016 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2016 [Session 1]
A 4 m wide rectangular channel, having bed slope of 0.001 carries a discharge of 16 m³/s. Considering Manning’s roughness coefficient = 0.012 and g = 10 m/s², the category of the channel slope is
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10
2016 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2016 [Session 1]
A hydraulically efficient trapezoidal channel section has a uniform flow depth of 2 m. The bed width (expressed in m) of the channel is ______
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11
2016 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2016 [Session 2]
Profile of a weir on permeable foundation is shown in figure I and an elementary profile of 'upstream pile only case' according to Khosla's theory is shown in figure II. The uplift pressure heads at key points Q, R and S are 3.14 m, 2.75 m and 0 m, respectively (refer figure II).

What is the uplift pressure head at point P downstream of the weir (junction of floor and pile as shown in the figure I)?
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12
2016 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2016 [Session 2]
A 3 m wide rectangular channel carries a flow of 6 m³/s. The depth of flow at a section P is 0.5 m. A flat-topped hump is to be placed at the downstream of the section P. Assume negligible energy loss between section P and hump, and consider g as 9.81 m/s². The maximum height of the hump (expressed in m) which will not change the depth of flow at section P is ______
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13
2016 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2016 [Session 2]
A penstock of 1 m diameter and 5 km length is used to supply water from a reservoir to an impulse turbine. A nozzle of 15 cm diameter is fixed at the end of the penstock. The elevation difference between the turbine and water level in the reservoir is 500 m. Consider the head loss due to friction as 5% of the velocity head available at the jet. Assume unit weight of water = 10 kN/m³ and acceleration due to gravity (g) = 10 m/s². If the overall efficiency is 80%, power generated (expressed in kW and rounded to nearest integer) is ______
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14
2017 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2017 [Session 2]
If a centrifugal pump has an impeller speed of \(N\) (in rpm), discharge \(Q\) (in m³/s) and the total head \(H\) (in m), the expression for the specific speed \(N_s\) of the pump is given by
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15
2017 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2017 [Session 2]
A 1 m wide rectangular channel carries a discharge of 2 m³/s. The specific energy-depth diagram is prepared for the channel. It is observed in this diagram that corresponding to a particular specific energy, the subcritical depth is twice the supercritical depth. The subcritical depth (in meters, up to two decimal places) is equal to __________
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16
2018 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2018 [Session 2]

For a given discharge in an open channel, there are two depths which have the same specific energy. These two depths are known as

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17
2019 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2019 [Session 2]
At the foot of a spillway, water flows at a depth of 23 cm with a velocity of 8.1 m/s, as shown in the figure.
The flow enters as an M-3 profile in the long wide rectangular channel with bed slope = \(\frac{1}{1800}\) and Manning’s n = 0.015. A hydraulic jump is formed at a certain distance from the foot of the spillway. Assume the acceleration due to gravity, g = 9.81 m/s². Just before the hydraulic jump, the depth of flow \(y_1\) (in m, round off to 2 decimal places) is ____________

Question diagram

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18
2020 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2020 [Session 2]
A hydraulic jump occurs in a triangular (V-shaped) channel with side slopes 1:1 (vertical to horizontal). The sequent depths are 0.5 m and 1.5 m. The flow rate (in m³/s, round off to two decimal places) in the channel is __________.
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19
2020 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2020 [Session 2]
A concrete dam holds 10 m of static water as shown in the figure (not drawn to the scale). The uplift is assumed to vary linearly from full hydrostatic head at the heel, to zero at the toe of dam. The coefficient of friction between the dam and foundation soil is 0.45. Specific weights of concrete and water are 24 kN/m³ and 9.81 kN/m³, respectively.

[Image of dam]

For NO sliding condition, the required minimum base width B (in m, round off to two decimal places) is __________.

Question diagram

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20
2022 · Civil Engineering · Water Resources Engineering · Hydraulics
Civil Engineering (CE) 2022 [Session 2]
Water is flowing in a horizontal, frictionless, rectangular channel. A smooth hump is built on the channel floor at a section and its height is gradually increased to reach choked condition in the channel. The depth of water at this section is $y_2$ and that at its upstream section is $y_1$ . The correct statement(s) for the choked and unchoked conditions in the channel is/are
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Showing 20 of 66 questions