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Recent questions tagged flow-in-pipes
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GATE Civil 2021 Set 2 | Question: 12
The ratio of the momentum correction factor to the energy correction factor for a laminar flow in a pipe is $\frac{1}{2}$ $\frac{2}{3}$ $1$ $\frac{3}{2}$
The ratio of the momentum correction factor to the energy correction factor for a laminar flow in a pipe is$\frac{1}{2}$$\frac{2}{3}$$1$$\frac{3}{2}$
go_editor
5.3k
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Mar 1, 2021
Fluid Mechanics
gatecivil-2021-set2
flow-in-pipes
laminar-flow
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0
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0
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2
GATE Civil 2021 Set 2 | Question: 49
A venturimeter as shown in the figure (not to scale) is connected to measure the flow of water in a vertical pipe of $\text{20 cm}$ diameter. Assume $g=9.8\text{ m/s}^{2}$ ... $\text{lps}$, round off to two decimal places) considering no loss in the venturimeter is ______________________
A venturimeter as shown in the figure (not to scale) is connected to measure the flow of water in a vertical pipe of $\text{20 cm}$ diameter.Assume $g=9.8\text{ m/s}^{2}$...
go_editor
5.3k
points
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Mar 1, 2021
Fluid Mechanics
gatecivil-2021-set2
numerical-answers
flow-in-pipes
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–
0
votes
0
answers
3
GATE2020-CE-1-37
A water supply scheme transports $10\:MLD$ (MIllion Litres per Day) water through a $450\:mm$ diameter pipeline for a distance of $2.5\:km$. A chlorine dose of $3.50\:mg/litre$ is applied at the starting point of the pipeline to attain a certain level of disinfection at ... the chlorine dose (in $mg/litre$) to be applied at the starting point should be $3.95$ $4.40$ $4.75$ $5.55$
A water supply scheme transports $10\:MLD$ (MIllion Litres per Day) water through a $450\:mm$ diameter pipeline for a distance of $2.5\:km$. A chlorine dose of $3.50\:mg/...
go_editor
5.3k
points
go_editor
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Feb 27, 2020
Fluid Mechanics
gate2020-ce-1
fluid-mechanics
water-resources-engineering
flow-in-pipes
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–
0
votes
0
answers
4
GATE2020-CE-1-52
Surface Overflow Rate (SOR) of a primary settling tank (discrete settling) is $20000\:litre/m^2$ per day. Kinematic viscosity of water in the tank is $1.01\times10^{-2}\:cm^2/s$. Specific gravity of the settling particles is $2.64$. Acceleration due to ... $80\%$ efficiency in the tank, is ______.
Surface Overflow Rate (SOR) of a primary settling tank (discrete settling) is $20000\:litre/m^2$ per day. Kinematic viscosity of water in the tank is $1.01\times10^{-2}\:...
go_editor
5.3k
points
go_editor
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Feb 27, 2020
Fluid Mechanics
gate2020-ce-1
numerical-answers
flow-in-pipes
flow-measurements
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–
0
votes
0
answers
5
GATE2020 CE-2-15
The velocity components in the $x$ and $y$ directions for an incompressible flow are given as $u = (-5 + 6x)$ and $v = -(9+6y)$, respectively. The equation of the streamline is $(-5+6x)-(9+6y) = \text{constant}$ $\dfrac{-5+6x}{9+6y}= \text{constant}$ $(-5+6x)(9+6y) = \text{constant}$ $\dfrac{9+6y}{-5+6x}= \text{constant}$
The velocity components in the $x$ and $y$ directions for an incompressible flow are given as $u = (-5 + 6x)$ and $v = -(9+6y)$, respectively. The equation of the streaml...
go_editor
5.3k
points
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Feb 13, 2020
Fluid Mechanics
gate2020-ce-2
water-resources-engineering
flow-in-pipes
incompressible-flow
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–
0
votes
0
answers
6
GATE2020 CE-2-49
A cast iron pipe of diameter $600\: mm$ and length $400\: m$ carries water from a tank and discharges freely into air at a point $4.5\: m$ below the water surface in the tank. The friction factor of the pipe is $0.018$. Consider acceleration due to gravity as $9.81\: m/s^2$. The velocity of the flow in pipe (in $m/s$, round off to two decimal places) is ________.
A cast iron pipe of diameter $600\: mm$ and length $400\: m$ carries water from a tank and discharges freely into air at a point $4.5\: m$ below the water surface in the ...
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5.3k
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Feb 13, 2020
Fluid Mechanics
gate2020-ce-2
numerical-answers
flow-in-pipes
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0
votes
0
answers
7
GATE2019 CE-1: 22
A circular duct carrying water gradually contracts from a diameter of $30 \: cm$ to $15 \: cm$. The figure (not drawn to scale) shows the arrangement to differential manometer attached to the duct. When the water flows, the differential manometer shows a ... Assuming frictionless flow, the flow rate (in $m^3/s$, round off to $3$ decimal places) through the duct is ________
A circular duct carrying water gradually contracts from a diameter of $30 \: cm$ to $15 \: cm$. The figure (not drawn to scale) shows the arrangement to differential man...
Arjun
13.0k
points
Arjun
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Feb 14, 2019
Fluid Mechanics
gate2019-ce-1
numerical-answers
water-resources-engineering
fluid-mechanics
manometer
flow-in-pipes
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0
votes
0
answers
8
GATE2017 CE-1: 23
A triangular pipe network is shown in the figure. The head loss in each pipe is given by $h_f = rQ^{1.8}$, with the variables expressed in a consistent set of units. The value of $r$ for the pipe $AB$ is $1$ and for the pipe $BC$ is $2$. If the ... is equally divided between the pipes $AB$ and $AC$, the value of $r$ (up to two decimal places) for the pipe $AC$ should be _______
A triangular pipe network is shown in the figure.The head loss in each pipe is given by $h_f = rQ^{1.8}$, with the variables expressed in a consistent set of units. The v...
Milicevic3306
11.9k
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Milicevic3306
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Mar 26, 2018
Fluid Mechanics
gate2017-ce-1
numerical-answers
fluid-mechanics
water-resources-engineering
flow-in-pipes
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–
0
votes
0
answers
9
GATE2017 CE-1: 49
Water flows through a $90^{\circ}$ bend in a horizontal plane as depicted in the figure. A pressure of $140$ kPa is measured at Section $1-1$. The inlet diameter marked at Section $1-1$ is $\frac{27}{\sqrt{\pi}}$ cm, while the nozzle ... bend is negligible. The magnitude of the force (in kN, up to two decimal places) that would be required to hold the pipe section is __________
Water flows through a $90^{\circ}$ bend in a horizontal plane as depicted in the figure.A pressure of $140$ kPa is measured at Section $1-1$. The inlet diameter marked at...
Milicevic3306
11.9k
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Milicevic3306
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Mar 26, 2018
Fluid Mechanics
gate2017-ce-1
numerical-answers
flow-in-pipes
fluid-mechanics
water-resources-engineering
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–
0
votes
0
answers
10
GATE2015-2-46
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 gravity as $9.81 \: m/s^2$ and neglecting minor losses, the discharge (in $m^3/s$) into the reservoir B is _______.
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 r...
Milicevic3306
11.9k
points
Milicevic3306
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Mar 26, 2018
Hydrology
gate2015-ce-2
numerical-answers
water-resources-engineering
reservoir-capacity
flow-in-pipes
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–
0
votes
0
answers
11
GATE2015-1-16
In a two-dimensional steady flow field, in a certain region of the $x-y$ plane, the velocity component in the $x$-direction is given by $v_x=x^2$ and the density varies as $\rho = \dfrac{1}{x}$. Which of the following is a valid expression for the velocity component in the $y$ – direction, $v_y$? $v_y= \:– x/y$ $v_y = x/y$ $v_y = \:-xy$ $v_y = xy$
In a two-dimensional steady flow field, in a certain region of the $x-y$ plane, the velocity component in the $x$-direction is given by $v_x=x^2$ and the density varies a...
Milicevic3306
11.9k
points
Milicevic3306
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Mar 26, 2018
Fluid Mechanics
gate2015-ce-1
water-resources-engineering
fluid-mechanics
flow-in-pipes
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–
0
votes
0
answers
12
GATE2015-1-17
For steady incompressible flow through a closed-conduit of uniform cross-section, the direction of flow will always be: from higher to lower elevation from higher to lower pressure from higher to lower velocity from higher to lower piezometric head
For steady incompressible flow through a closed-conduit of uniform cross-section, the direction of flow will always be:from higher to lower elevationfrom higher to lower ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Fluid Mechanics
gate2015-ce-1
water-resources-engineering
fluid-mechanics
flow-in-pipes
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–
0
votes
0
answers
13
GATE2015-1-46
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, $\rho$; and dynamic viscosity, $\mu$. Which of the following options represents the non-dimensional parameters which could be used to analyze this ... $\dfrac{_{\rho}VD}{\mu} \\$ $\dfrac{F_D}{_{\rho}V^3D^3}$ and $\dfrac{\mu}{_{\rho}VD}$
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, $\rho$; and dynamic viscosi...
Milicevic3306
11.9k
points
Milicevic3306
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Mar 26, 2018
Fluid Mechanics
gate2015-ce-1
fluid-mechanics
water-resources-engineering
dimensional-analysis
flow-in-pipes
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–
0
votes
0
answers
14
GATE2014-2-42
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 ... the flow rate (in $m^3/s$) through the pipe is approximately equal to $0.500$ $0.150$ $0.050$ $0.015$
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 differenc...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Fluid Mechanics
gate2014-ce-2
fluid-mechanics
water-resources-engineering
flow-in-pipes
+
–
0
votes
0
answers
15
GATE2014-2-17
A plane flow has velocity components $u=\dfrac{x}{T_1}$, $v=-\dfrac{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 $T_1=-T_2 \\$ $T_1=- \dfrac{T_2}{2} \\$ $T_1=\dfrac{T_2}{2} \\$ $T_1=T_2$
A plane flow has velocity components $u=\dfrac{x}{T_1}$, $v=-\dfrac{y}{T_2}$ and $w=0$ along $x,y$ and $z$ directions respectively, where $T_1( \neq 0)$ and $T_2 (\neq 0)...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Fluid Mechanics
gate2014-ce-2
fluid-mechanics
water-resources-engineering
flow-in-pipes
+
–
0
votes
0
answers
16
GATE2014-1-49
A straight $100$ m long raw water gravity main is to carry water from an intake structure to the jack well of a water treatment plant. The required flow through this water main is $0.21 \: m^3/s$. Allowable velocity through the main is $0.75$ m/ ... (in $cm/100$ m length) to be given to this gravity main so that the required amount of water flows without any difficulty is ___________
A straight $100$ m long raw water gravity main is to carry water from an intake structure to the jack well of a water treatment plant. The required flow through this wate...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Fluid Mechanics
gate2014-ce-1
numerical-answers
water-resources-engineering
fluid-mechanics
flow-in-pipes
+
–
0
votes
0
answers
17
GATE2014-1-42
A venturimeter, having a diameter of $7.5$ cm at the throat an $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 ... as $9.81 \: m/s^2$, the coefficient of discharge of the venturimeter (correct up to two places of decimal) is ____________
A venturimeter, having a diameter of $7.5$ cm at the throat an $15$ cm at the enlarged end, is installed in a horizontal pipeline of $15$ cm diameter. The pipe carries an...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Fluid Mechanics
gate2014-ce-1
numerical-answers
fluid-mechanics
water-resources-engineering
flow-in-pipes
steady-rate
+
–
0
votes
0
answers
18
GATE2014-1-45
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 $d_1$ and $d_2$ (where $d_1 =4d_2$) that run for a distance of $L$ each and then ... only and the Darcy-Weisbach friction factor to be the same. The velocity ratio between the bigger and the smaller branched pipes is ____________
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 $d_1$ and $d_2$...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Fluid Mechanics
gate2014-ce-1
numerical-answers
fluid-mechanics
flow-in-pipes
water-resources-engineering
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–
0
votes
0
answers
19
GATE Civil 2013 | Question: 18
For a two dimensional flow field, the stream function $\psi$ is given as $\psi = \dfrac{3}{2}(y^2-x^2)$. The magnitude of discharge occurring between the stream lines passing through points $(0,3)$ and $(3,4)$ is $6$ $3$ $1.5$ $2$
For a two dimensional flow field, the stream function $\psi$ is given as $\psi = \dfrac{3}{2}(y^2-x^2)$. The magnitude of discharge occurring between the stream lines pas...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Fluid Mechanics
gate2013-ce
water-resources-engineering
fluid-mechanics
flow-in-pipes
+
–
0
votes
0
answers
20
GATE Civil 2012 | Question: 18
The circular water pipes shown in the sketch are flowing full. The velocity of flow (in m/s) in the branch pipe “R” is $3$ $4$ $5$ $6$
The circular water pipes shown in the sketch are flowing full. The velocity of flow (in m/s) in the branch pipe “R” is$3$$4$$5$$6$
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Fluid Mechanics
gate2012-ce
fluid-mechanics
water-resources-engineering
flow-in-pipes
+
–
0
votes
1
answer
21
GATE2018 CE-2: 48
A rough pipe of $0.5$ m diameter, $300$ m length and roughness height of $0.25$ mm, carries water (kinematic viscosity $= 0.9 \times 10^{-6} \: m^2/s$) with velocity of $3$ m/s. Friction factor $(f)$ for laminar flow is given by $f=64/R_e$, and for ... k=roughness height and $g=9.81 \: m/s^2$. The head loss (in m, up to three decimal places) in the pipe due to friction is _______
A rough pipe of $0.5$ m diameter, $300$ m length and roughness height of $0.25$ mm, carries water (kinematic viscosity $= 0.9 \times 10^{-6} \: m^2/s$) with velocity of $...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Fluid Mechanics
gate2018-ce-2
numerical-answers
fluid-mechanics
water-resources-engineering
laminar-flow
flow-in-pipes
+
–
0
votes
0
answers
22
GATE2018 CE-1: 17
A flow field is given by $u=y^2, \: v=-xy, \: w=0$. Value of the z-component of the angular velocity (in radians per unit time, up to two decimal places) at the point $(0, -1, 1)$ is ____
A flow field is given by $u=y^2, \: v=-xy, \: w=0$. Value of the z-component of the angular velocity (in radians per unit time, up to two decimal places) at the point $(0...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Fluid Mechanics
gate2018-ce-1
numerical-answers
water-resources-engineering
fluid-mechanics
flow-in-pipes
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