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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 $\frac{1}{2}$ $\frac{2}{3}$ $1$ $\frac{3}{2}$
go_editor
asked
in
Fluid Mechanics
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
flow-in-pipes
laminar-flow
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votes
0
answers
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 ______________________
go_editor
asked
in
Fluid Mechanics
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
numerical-answers
flow-in-pipes
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 $3.95$ $4.40$ $4.75$ $5.55$
go_editor
asked
in
Fluid Mechanics
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
fluid-mechanics
water-resources-engineering
flow-in-pipes
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 ______.
go_editor
asked
in
Fluid Mechanics
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
numerical-answers
flow-in-pipes
flow-measurements
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 $(-5+6x)-(9+6y) = \text{constant}$ $\dfrac{-5+6x}{9+6y}= \text{constant}$ $(-5+6x)(9+6y) = \text{constant}$ $\dfrac{9+6y}{-5+6x}= \text{constant}$
go_editor
asked
in
Fluid Mechanics
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
water-resources-engineering
flow-in-pipes
incompressible-flow
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 ________.
go_editor
asked
in
Fluid Mechanics
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
numerical-answers
flow-in-pipes
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 ________
Arjun
asked
in
Fluid Mechanics
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
water-resources-engineering
fluid-mechanics
manometer
flow-in-pipes
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 _______
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
numerical-answers
fluid-mechanics
water-resources-engineering
flow-in-pipes
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 __________
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
numerical-answers
flow-in-pipes
fluid-mechanics
water-resources-engineering
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 _______.
Milicevic3306
asked
in
Hydrology
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
numerical-answers
water-resources-engineering
reservoir-capacity
flow-in-pipes
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, $v_y$? $v_y= \:– x/y$ $v_y = x/y$ $v_y = \:-xy$ $v_y = xy$
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
water-resources-engineering
fluid-mechanics
flow-in-pipes
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
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
water-resources-engineering
fluid-mechanics
flow-in-pipes
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 $\dfrac{\mu}{_{\rho}VD}$
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
fluid-mechanics
water-resources-engineering
dimensional-analysis
flow-in-pipes
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 $0.500$ $0.150$ $0.050$ $0.015$
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
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 $T_1=-T_2 \\$ $T_1=- \dfrac{T_2}{2} \\$ $T_1=\dfrac{T_2}{2} \\$ $T_1=T_2$
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
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 ___________
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
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 ____________
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
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 ____________
Milicevic3306
asked
in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2014-ce-1
numerical-answers
fluid-mechanics
flow-in-pipes
water-resources-engineering
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 $6$ $3$ $1.5$ $2$
Milicevic3306
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in
Fluid Mechanics
Mar 26, 2018
by
Milicevic3306
11.9k
points
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 $3$ $4$ $5$ $6$
Milicevic3306
asked
in
Fluid Mechanics
Mar 25, 2018
by
Milicevic3306
11.9k
points
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 _______
gatecse
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Fluid Mechanics
Feb 17, 2018
by
gatecse
4.0k
points
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 ____
gatecse
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Fluid Mechanics
Feb 17, 2018
by
gatecse
4.0k
points
gate2018-ce-1
numerical-answers
water-resources-engineering
fluid-mechanics
flow-in-pipes
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