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Previous year question hub

Fluid Mechanics - Water Resources Engineering - Civil Engineering Previous Year Questions

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

22Papers
16Years
46Questions
1Topics

Fluid Mechanics question pattern

Every graph below is calculated only from this selection.

Questions by year

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

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 24 52.2%
Medium 21 45.7%
Hard 1 2.2%

Question type distribution

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

MCQ 26 56.5%
Numerical Answer Type (NAT) 14 30.4%
Fill in the blanks 4 8.7%
MSQ 2 4.3%

Subject weightage

Top subjects by unique question coverage.

Civil Engineering
46 Qs

Most asked topics

Top topics across the included previous year papers.

Water Resources Engineering
46 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Fluid Mechanics
46 Qs

Paper coverage

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

Civil Engineering (CE) 2026
2 Qs
Civil Engineering (CE) 2026
1 Qs
Civil Engineering (CE) 2025 [Session 1]
2 Qs
Civil Engineering (CE) 2025 [Session 2]
1 Qs
Civil Engineering (CE) 2024 [Session 1]
2 Qs
Civil Engineering (CE) 2024 [Session 2]
2 Qs
Civil Engineering (CE) 2022 [Session 2]
2 Qs
Civil Engineering (CE) 2020 [Session 2]
3 Qs
Civil Engineering (CE) 2019 [Session 2]
2 Qs
Civil Engineering (CE) 2018 [Session 2]
3 Qs
Civil Engineering (CE) 2017 [Session 2]
2 Qs
Civil Engineering (CE) 2016 [Session 2]
2 Qs
Civil Engineering (CE) 2016 [Session 1]
1 Qs
Civil Engineering (CE) 2015 [Session 2]
2 Qs
Civil Engineering (CE) 2015 [Session 1]
1 Qs
Civil Engineering (CE) 2014 [Session 1]
6 Qs
Civil Engineering (CE) 2014 [Session 2]
4 Qs
Civil Engineering (CE) 2013
3 Qs
Civil Engineering (CE) 2012
1 Qs
Civil Engineering (CE) 2011
1 Qs
Civil Engineering (CE) 2009
2 Qs
Civil Engineering (CE) 2008
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) 202620262View paper
Civil Engineering (CE) 202620261View paper
Civil Engineering (CE) 2025 [Session 1]20252View paper
Civil Engineering (CE) 2025 [Session 2]20251View paper
Civil Engineering (CE) 2024 [Session 1]20242View paper
Civil Engineering (CE) 2024 [Session 2]20242View paper
Civil Engineering (CE) 2022 [Session 2]20222View paper
Civil Engineering (CE) 2020 [Session 2]20203View paper
Civil Engineering (CE) 2019 [Session 2]20192View paper
Civil Engineering (CE) 2018 [Session 2]20183View paper
Civil Engineering (CE) 2017 [Session 2]20172View paper
Civil Engineering (CE) 2016 [Session 1]20161View paper
Civil Engineering (CE) 2016 [Session 2]20162View paper
Civil Engineering (CE) 2015 [Session 1]20151View paper
Civil Engineering (CE) 2015 [Session 2]20152View paper
Civil Engineering (CE) 2014 [Session 1]20146View paper
Civil Engineering (CE) 2014 [Session 2]20144View paper
Civil Engineering (CE) 201320133View paper
Civil Engineering (CE) 201220121View paper
Civil Engineering (CE) 201120111View paper
Civil Engineering (CE) 200920092View paper
Civil Engineering (CE) 200820081View paper

All Fluid Mechanics previous year questions

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

1
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 1]
An incompressible homogeneous fluid is flowing steadily in a variable diameter pipe having the large and small diameters as 15 cm and 5 cm respectively. If the velocity at a section at the 15 cm diameter portion of the pipe is 2.5 m/s, the velocity of the fluid (in m/s) at a section falling in 5 cm portion of the pipe is ________
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2
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 1]
The dimension for kinematic viscosity is
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3
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 1]
A horizontal jet of water with its cross-sectional area of $0.0028 \text{ m}^2$ hits a fixed vertical plate with a velocity of 5 m/s. After impact the jet splits symmetrically in a plane parallel to the plane of the plate. The force of impact (in N) of the jet on the plate is
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4
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 1]
A venturimeter, having a diameter of 7.5 cm at the throat and 15 cm at the enlarged end, is installed in a horizontal pipeline of 15 cm diameter. The pipe carries an incompressible fluid at a steady rate of 30 litres per second. The difference of pressure head measured in terms of the moving fluid in between the enlarged and the throat of the venturimeter is observed to be 2.45 m. Taking the acceleration due to gravity as $9.81 \text{ m/s}^2$, the coefficient of discharge of the venturimeter (correct up to two places of decimal) is ________
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5
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 1]
Three rigid buckets, shown as in the figures (1), (2) and (3), are of identical heights and base areas. Further, assume that each of these buckets have negligible mass and are full of water. The weights of water in these buckets are denoted as W1, W2 and W3 respectively. Also, let the force of water on the base of the bucket be denoted as F1, F2, and F3 respectively. The option giving an accurate description of the system physics is
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6
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 1]
An incompressible fluid is flowing at a steady rate in a horizontal pipe. From a section, the pipe divides into two horizontal parallel pipes of diameters d1 and d2 (where d1 = 4d2) that run for a distance of L each and then again join back to a pipe of the original size. For both the parallel pipes, assume the head loss due to friction only and the Darcy-Weisbach friction factor to be the same. The velocity ratio between the bigger and the smaller branched pipes is __________
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7
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 2]
A plane flow has velocity components u = \(\frac{x}{T_1}\), v = \(-\frac{y}{T_2}\) and w = 0 along x, y and z directions respectively, where T_1 (\(\neq 0\)) and T_2 (\(\neq 0\)) are constants having the dimension of time. The given flow is incompressible if
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8
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 2]
A horizontal nozzle of 30 mm diameter discharges a steady jet of water into the atmosphere at a rate of 15 litres per second. The diameter of inlet to the nozzle is 100 mm. The jet impinges normal to a flat stationary plate held close to the nozzle end. Neglecting air friction and considering the density of water as 1000 kg/m3, the force exerted by the jet (in N) on the plate is __________
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9
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 2]
A venturimeter having a throat diameter of 0.1 m is used to estimate the flow rate of a horizontal pipe having a diameter of 0.2 m. For an observed pressure difference of 2 m of water head and coefficient of discharge equal to unity, assuming that the energy losses are negligible, the flow rate (in m3/s) through the pipe is approximately equal to
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10
2014 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2014 [Session 2]
With reference to a standard Cartesian (x, y) plane, the parabolic velocity distribution profile of fully developed laminar flow in x-direction between two parallel, stationary and identical plates that are separated by distance, h, is given by the expression
\[ u = -\frac{h^2}{8\mu} \frac{dp}{dx} \left[ 1 - 4 \left(\frac{y}{h}\right)^2 \right] \]
In this equation, the y = 0 axis lies equidistant between the plates at a distance h/2 from the two plates, p is the pressure variable and μ is the dynamic viscosity term. The maximum and average velocities are, respectively
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11
2015 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2015 [Session 1]
The drag force, F_D, on a sphere kept in a uniform flow field depends on the diameter of the sphere, D, flow velocity, V, fluid density, ρ, and dynamic viscosity, μ. Which of the following options represents the non-dimensional parameters which could be used to analyze this problem?
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12
2015 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2015 [Session 2]
A triangular gate with a base width of 2 m and a height of 1.5 m lies in a vertical plane. The top vertex of the gate is 1.5 m below the surface of a tank which contains oil of specific gravity 0.8. Considering the density of water and acceleration due to gravity to be 1000 kg/m³ and 9.81 m/s² respectively, the hydrostatic force (in kN) exerted by the oil on the gate is __________.
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13
2015 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2015 [Session 2]
The velocity components of a two dimensional plane motion of a fluid are: u = y³/3 + 2x - x²y and v = xy² - 2y - x³/3. The correct statement is:
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14
2016 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2016 [Session 1]
A sector gate is provided on a spillway as shown in the figure. Assuming g = 10 m/s², the resultant force per meter length (expressed in kN/m) on the gate will be ______
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15
2016 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2016 [Session 2]
Group I contains the types of fluids while Group II contains the shear stress - rate of shear relationship of different types of fluids, as shown in the figure.

Group IGroup II
P. Newtonian fluid1. Curve 1
Q. Pseudo plastic fluid2. Curve 2
R. Plastic fluid3. Curve 3
S. Dilatant fluid4. Curve 4
5. Curve 5

The correct match between Group I and Group II is
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16
2016 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2016 [Session 2]
A square plate is suspended vertically from one of its edges using a hinge support as shown in figure. A water jet of 20 mm diameter having a velocity of 10 m/s strikes the plate at its mid-point, at an angle of 30° with the vertical. Consider g as 9.81 m/s² and neglect the self-weight of the plate. The force F (expressed in N) required to keep the plate in its vertical position is _____
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17
2017 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2017 [Session 2]
The figure shows a U-tube having a 5 mm × 5 mm square cross-section filled with mercury (specific gravity = 13.6) up to a height of 20 cm in each limb (open to the atmosphere).

If 5 cm³ of water is added to the right limb, the new height (in cm, up to two decimal places) of mercury in the LEFT limb will be __________

Question diagram

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18
2017 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2017 [Session 2]
Water is pumped at a steady uniform flow rate of 0.01 m³/s through a horizontal smooth circular pipe of 100 mm diameter. Given that the Reynolds number is 800 and g is 9.81 m/s², the head loss (in meters, up to one decimal place) per km length due to friction would be __________
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19
2018 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2018 [Session 2]
In a 5 m wide rectangular channel, the velocity u distribution in the vertical direction y is given by \(u = 1.25 y^{1/6}\). The distance y is measured from the channel bed. If the flow depth is 2 m, the discharge per unit width of the channel is
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20
2018 · Civil Engineering · Water Resources Engineering · Fluid Mechanics
Civil Engineering (CE) 2018 [Session 2]

A three-fluid system (immiscible) is connected to a vacuum pump. The specific gravity values of the fluids (S1, S2) are given in the figure.

Question diagram

The gauge pressure value (in kN/m2, up to two decimal places) of p1 is ______
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Showing 20 of 46 questions