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4
GATE2020-CE-1-14
Uniform flow with velocity $U$ makes an angle $\theta$ with $y$-axis, as shown in the figure The velocity potential $(\phi)$, is $\pm U(x\sin\theta+y\cos\theta)$ $\pm U(y\sin\theta-x\cos\theta)$ $\pm U(x\sin\theta-y\cos\theta)$ $\pm U(y\sin\theta+x\cos\theta)$
Uniform flow with velocity $U$ makes an angle $\theta$ with $y$-axis, as shown in the figureThe velocity potential $(\phi)$, is $\pm U(x\sin\theta+y\cos\theta)$$\pm U(y\s...
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5
GATE2020-CE-1-24
A $4\:m$ wide rectangular channel carries $6\:m^3/s$ of water. The Manning’s ‘$n$’ of the open channel is $0.02$. Considering $g=9.81\:m/s^2$, the critical velocity of flow (in $m/s$, round off to two decimal places ) in the channel, is ____________.
A $4\:m$ wide rectangular channel carries $6\:m^3/s$ of water. The Manning’s ‘$n$’ of the open channel is $0.02$. Considering $g=9.81\:m/s^2$, the critical velocity...
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8
GATE2020 CE-2-50
A hydraulic jump occurs in a triangular $\text{(V-shaped)}$ channel with side slopes $1:1$ (vertical to horizontal). The sequent depths are $0.5\: m$ and $1.5\: m$. The flow rate (in $m^3/s$, round off to two decimal places) in the channel is ________.
A hydraulic jump occurs in a triangular $\text{(V-shaped)}$ channel with side slopes $1:1$ (vertical to horizontal). The sequent depths are $0.5\: m$ and $1.5\: m$. The f...
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11
GATE2019 CE-1: 13
In a rectangular channel, the ratio of the velocity head to the flow depth for critical flow condition, is $\dfrac{1}{2}\\$ $\dfrac{2}{3} \\$ $\dfrac{3}{2} \\$ $2$
In a rectangular channel, the ratio of the velocity head to the flow depth for critical flow condition, is$\dfrac{1}{2}\\$$\dfrac{2}{3} \\$$\dfrac{3}{2} \\$$2$
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15
GATE2016-1-16
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 ______
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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18
GATE2016-1-49
A hydraulically efficient trapezoidal channel section has a uniform flow depth of $2$ m. The bed width (expressed in m) of the channel is ______
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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19
GATE2017 CE-1: 15
Which one of the following is NOT present in the acid rain? $HNO_3$ $H_2SO_4$ $H_2CO_3$ $CH_3COOH$
Which one of the following is NOT present in the acid rain?$HNO_3$$H_2SO_4$$H_2CO_3$$CH_3COOH$
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25
GATE2015-1-44
A hydraulic jump is formed in a $2$ m wide rectangular channel which is horizontal and frictionless. The post-jump depth and velocity are $0.8$ , and $1$ m/s, respectively. The pre-jump velocity is ________ m/s. (use $g=10\:m/s^2$)
A hydraulic jump is formed in a $2$ m wide rectangular channel which is horizontal and frictionless. The post-jump depth and velocity are $0.8$ , and $1$ m/s, respectivel...
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31
GATE Civil 2013 | Question: 40
The normal depth in a wide rectangular channel is increased by $10 \%$. The percentage increase in the discharge in the channel is $20.1$ $15.4$ $10.5$ $17.2$
The normal depth in a wide rectangular channel is increased by $10 \%$. The percentage increase in the discharge in the channel is$20.1$$15.4$$10.5$$17.2$
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32
GATE Civil 2013 | Question: 16
For subcritical flow in an open channel, the control section for gradually varied flow profiles is at the downstream end at the upstream end at both upstream and downstream ends at any immediate section
For subcritical flow in an open channel, the control section for gradually varied flow profiles isat the downstream endat the upstream endat both upstream and downstream ...
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33
GATE Civil 2012 | Question: 40
Group I contains parameters and Group-II lists methods/instruments. ... $P-4, \: Q-2, \: R-3, \: S-1$ $P-1, \: Q-3, \: R-2, \: S-4$
Group I contains parameters and Group-II lists methods/instruments.$\begin{array}{ll} \textbf{Group I} & \textbf{Group II} \\ P. \text{ Streamflow velocity} & 1. \text{...
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35
GATE Civil 2012 | Question: 17
A rectangular open channel of width $5.0$ m is carrying a discharge of $100 \: m^3/s$ The Froude number of the flow is $0.8$. The depth of flow (in m) in the channel is $4$ $5$ $16$ $20$
A rectangular open channel of width $5.0$ m is carrying a discharge of $100 \: m^3/s$ The Froude number of the flow is $0.8$. The depth of flow (in m) in the channel is$4...
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39
GATE2018 CE-1: 23
A $10$ m wide rectangular channel carries a discharge of $20 \: m^3/s$ under critical condition. Using $g=9.81 m/s^2$, the specific energy (in m, up to two decimal places) is _____
A $10$ m wide rectangular channel carries a discharge of $20 \: m^3/s$ under critical condition. Using $g=9.81 m/s^2$, the specific energy (in m, up to two decimal places...
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