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Made Easy Gate Previous year Questions
If we have 3 samples Initial DO. Final DO. Volume 1. 9.2 6.9 5 2. 9.1 4.4 10 3. 8.4 0 50 Do we need to consider last sample for finding average BOD?
asked
May 11
in
Water and Waste Water Quality and Treatment
by
Don6
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120
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gatecivil
watertreatmentplant
bodrateconstant
wastewater
0
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0
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2
GATE Civil 2021 Set 2  Question: 1
The value of $\lim \limits_{x\rightarrow \infty } \dfrac{x \:\text{ln}\left ( x \right )}{1+x^{2}}$ is $0$ $1.0$ $0.5$ $\infty$
asked
Mar 1
in
Calculus
by
jothee
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5.2k
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gatecivil2021set2
calculus
limits
0
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3
GATE Civil 2021 Set 2  Question: 2
The rank of the matrix $\begin{bmatrix} 5 & 0 & 5 & 0\\ 0 & 2 & 0 & 1\\ 5 & 0 & 5 & 0\\ 0 & 1 & 0 & 2 \end{bmatrix}$ is $1$ $2$ $3$ $4$
asked
Mar 1
in
Linear Algebra
by
jothee
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5.2k
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gatecivil2021set2
linearalgebra
matrices
rankofmatrix
0
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0
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4
GATE Civil 2021 Set 2  Question: 3
The unit normal vector to the surface $X^{2} + Y^{2} + Z^{2} – 48 = 0$ at the point $(4, 4, 4)$ is $\frac{1}{\sqrt{2}},\frac{1}{\sqrt{2}},\frac{1}{\sqrt{2}}$ $\frac{1}{\sqrt{3}},\frac{1}{\sqrt{3}},\frac{1}{\sqrt{3}}$ $\frac{2}{\sqrt{2}},\frac{2}{\sqrt{2}},\frac{2}{\sqrt{2}}$ $\frac{1}{\sqrt{5}},\frac{1}{\sqrt{5}},\frac{1}{\sqrt{5}}$
asked
Mar 1
in
Calculus
by
jothee
(
5.2k
points)
gatecivil2021set2
calculus
vectorcalculus
vectoridentities
unitnormalvector
0
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0
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5
GATE Civil 2021 Set 2  Question: 4
If $\text{A}$ is a square matrix then orthogonality property mandates $AA^{T}=I$ $AA^{T}=0$ $AA^{T}=A^{1}$ $AA^{T}=A^{2}$
asked
Mar 1
in
Linear Algebra
by
jothee
(
5.2k
points)
gatecivil2021set2
linearalgebra
matrices
matrixalgebra
0
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0
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6
GATE Civil 2021 Set 2  Question: 5
In general, the $\text{CORRECT}$ sequence of surveying operations is Field observations $\rightarrow$ Reconnaissance $\rightarrow$ Data analysis $\rightarrow$ Map making Data analysis $\rightarrow$ Reconnaissance $\rightarrow$ Field ... $\rightarrow$ Data analysis $\rightarrow$ Field observations $\rightarrow$ Map making
asked
Mar 1
in
Geomatics Engineering
by
jothee
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5.2k
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gatecivil2021set2
principlesofsurveying
0
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0
answers
7
GATE Civil 2021 Set 2  Question: 6
Strain hardening of structural steel means experiencing higher stress than yield stress with increased deformation strengthening steel member externally for reducing strain experienced strain occurring before plastic flow of steel material decrease in the stress experienced with increasing strain
asked
Mar 1
in
Solid Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
simplestressandstrainrelationship
0
votes
0
answers
8
GATE Civil 2021 Set 2  Question: 7
A single story building model is shown in the figure. The rigid bar of mass $\text{m}$' is supported by three massless elastic columns whose ends are fixed against rotation. For each of the columns, the applied lateral force $\text{(P)}$ ... $6\sqrt{\frac{6EI}{mL^{3}}}\text{rad/s}$ $\frac{2}{L}\sqrt{\frac{EI}{m}}\text{rad/s}$
asked
Mar 1
in
Structural Analysis
by
jothee
(
5.2k
points)
gatecivil2021set2
slopedeflectionmethod
lateraldeflectionprofile
0
votes
0
answers
9
GATE Civil 2021 Set 2  Question: 8
Seasoning of timber for use in construction is done essentially to increase strength and durability smoothen timber surfaces remove knots from timber logs cut timber in right season and geometry
asked
Mar 1
in
Construction Materials and Management
by
jothee
(
5.2k
points)
gatecivil2021set2
constructionmaterials
materialbehaviorandproperties
timber
0
votes
0
answers
10
GATE Civil 2021 Set 2  Question: 9
In case of bids in TwoEnvelop System, the correct option is Technical bid is opened first Financial bid is opened first Both (Technical and Financial) bids are opened simultaneously Either of the two (Technical and Financial) bids can be opened first
asked
Mar 1
in
Construction Materials and Management
by
jothee
(
5.2k
points)
gatecivil2021set2
constructionmanagement
bidding
0
votes
0
answers
11
GATE Civil 2021 Set 2  Question: 10
The most appropriate triaxial test to assess the longterm stability of an excavated clay slope is consolidated drained test unconsolidated undrained test consolidated undrained test unconfined compression test
asked
Mar 1
in
Soil Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
consolidationtest
0
votes
0
answers
12
GATE Civil 2021 Set 2  Question: 11
As per the Unified Soil Classification System $\text{(USCS)}$, the type of soil represented by $\text{MH}$' is Inorganic silts of high plasticity with liquid limit more than $50\%$ Inorganic silts of low plasticity with liquid limit less ... high plasticity with liquid limit less than $50\%$ Inorganic clays of low plasticity with liquid limit more than $50\%$
asked
Mar 1
in
Soil Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
unifiedandindianstandardsoilclassificationsystem
0
votes
0
answers
13
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 $\frac{1}{2}$ $\frac{2}{3}$ $1$ $\frac{3}{2}$
asked
Mar 1
in
Fluid Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
flowinpipes
laminarflow
0
votes
0
answers
14
GATE Civil 2021 Set 2  Question: 13
Relationship between traffic speed and density is described using a negatively sloped straight line. If $v_{f}$ is the free flow speed then the speed at which the maximum flow occurs is $0$ $\frac{v_{f}}{4}$ $\frac{v_{f}}{2}$ $v_{f}$
asked
Mar 1
in
Traffic Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
trafficstudiosonflowandspeed
0
votes
0
answers
15
GATE Civil 2021 Set 2  Question: 14
Determine the correctness or otherwise of the following Assertion $\text{[a]}$ and the Reason $\text{[r]}$. $\text{Assertion [a]}$: One of the best ways to reduce the amount of solid wastes is to reduce the consumption of raw materials. $\text{Reason [r]}$: Solid ... Both $\text{[a]}$ and $\text{[r]}$ are false $\text{[a]}$ is true but $\text{[r]}$ is false
asked
Mar 1
in
Municipal Solid Wastes
by
jothee
(
5.2k
points)
gatecivil2021set2
solidwastemanagement
generation
0
votes
0
answers
16
GATE Civil 2021 Set 2  Question: 15
The hardness of a water sample is measured directly by titration with $\text{0.01 M}$ solution of ethylenediamine tetraacetic acid $\text{(EDTA)}$ using eriochrome black $\text{T (EBT)}$ as an indicator. The $\text{EBT}$ reacts ... colour of the solution changes from bluegreen to reddish brown blue to colourless reddish brown to pinkish yellow Wine red to blue
asked
Mar 1
in
Water and Waste Water Quality and Treatment
by
jothee
(
5.2k
points)
gatecivil2021set2
basicsofwaterqualitystandards
physicalchemicalandbiologicalparameters
hardnessofwater
0
votes
0
answers
17
GATE Civil 2021 Set 2  Question: 16
The softening point of bitumen has the same unit as that of distance temperature time viscosity
asked
Mar 1
in
Highway Pavements
by
jothee
(
5.2k
points)
gatecivil2021set2
desirablepropertiesofbitumen
softeningpointofbitumen
0
votes
0
answers
18
GATE Civil 2021 Set 2  Question: 17
Which of the following statement$\text{(s)}$ is/are correct? Increased levels of carbon monoxide in the indoor environment result in the formation of carboxyhemoglobin and the long term exposure becomes a cause of cardiovascular diseases ... in the indoor environment will result in the formation of photochemical smog which is a cause of cardiovascular diseases
asked
Mar 1
in
Air Pollution
by
jothee
(
5.2k
points)
gatecivil2021set2
multipleselects
typesofpollutants
sourcesandimpacts
0
votes
0
answers
19
GATE Civil 2021 Set 2  Question: 18
The value ($\textit{round off to one decimal place}$) of $\int_{1}^{1}x\:e^{\left  x \right }dx$ is ______________
asked
Mar 1
in
Calculus
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
calculus
definiteintegral
0
votes
0
answers
20
GATE Civil 2021 Set 2  Question: 19
A solid circular torsional member $\text{OPQ}$ is subjected to torsional moments as shown in the figure (not to scale). The yield shear strength of the constituent material is $\text{160 MPa}$. The absolute maximum shear stress in the member (in $\text{MPa}$, $\textit{round off to one decimal place}$) is __________________________
asked
Mar 1
in
Solid Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
torsion
shearstress
0
votes
0
answers
21
GATE Civil 2021 Set 2  Question: 20
A propped cantilever beam $\text{XY}$, with an internal hinge at the middle, is carrying a uniformly distributed load of $\text{10 kN/m}$, as shown in the figure. The vertical reaction at support $\text{X}$ ( in $\text{kN}$, $\textit{in integer}$) is ___________
asked
Mar 1
in
Structural Analysis
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
analysisofbeams
cantileverbeam
0
votes
0
answers
22
GATE Civil 2021 Set 2  Question: 21
The internal $(d_{i})$ and external $(d_{o})$ diameters of a Shelby sampler are $\text{48 mm}$ and $\text{52 mm}$, respectively. The area ratio $(A_{r})$ of the sampler (in $\%, \textit{round off to two decimal palces}$) is ________________
asked
Mar 1
in
Foundation Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
standardandconepenetrationtest
0
votes
0
answers
23
GATE Civil 2021 Set 2  Question: 22
A $12$hour unit hydrograph (of $\text{1 cm}$ excess rainfall) of a catchment is of a triangular shape with a base width of $144$ hour and a peak discharge of $23\text{ m}^3\text{/s}$. The area of the catchment (in $\text{km}^2, \textit{round off to the nearest integer}$) is _____________
asked
Mar 1
in
Hydrology
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
surfacerunoffmodels
rainfall
0
votes
0
answers
24
GATE Civil 2021 Set 2  Question: 23
A lake has a maximum depth of $\text{60 m}$. If the mean atmospheric pressure in the lake region is $\text{91 kPa}$ and the unit weight of the lake water is $\text{9790 N/m}^{3}$, the absolute pressure (in $\text{kPa}, \textit{round off to two decimal places}$) at the maximum depth of the lake is ___________________
asked
Mar 1
in
Fluid Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
momentumandenergyequations
fluidstatics
0
votes
0
answers
25
GATE Civil 2021 Set 2  Question: 24
In a threephase signal system design for a fourleg intersection, the critical flow ratios for each phase are $0.18, 0.32$, and $0.22$. The total loss time in each of the phases is $\text{2 s}$. As per Webster's formula, the optimal cycle length (in $\text{s}, \textit{round off to the nearest integer}$) is _______________
asked
Mar 1
in
Traffic Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
trafficsignal
designbywebstersmethod
0
votes
0
answers
26
GATE Civil 2021 Set 2  Question: 25
A horizontal angle $\theta$ is measured by four different surveyors multiple times and the values reported are given below. $\begin{array}{lccIcIcIcIcI}\hline &\text{Surveyor} & \text{Angle $ ... $\theta$ ( in degree, $\textit{round off to two decimal places}$is _________________
asked
Mar 1
in
Geomatics Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
distanceanglemeasurement
0
votes
0
answers
27
GATE Civil 2021 Set 2  Question: 26
If $\text{k}$ is a constant, the general solution of $\dfrac{dy}{dx}\dfrac{y}{x}=1$ will be in the form of $y=x\text{ ln}(kx)$ $y=k\text{ ln}(kx)$ $y=x\text{ ln}(x)$ $y=xk\text{ ln}(k)$
asked
Mar 1
in
Ordinary Differential Equation (ODE)
by
jothee
(
5.2k
points)
gatecivil2021set2
ordinarydifferentialequation
0
votes
0
answers
28
GATE Civil 2021 Set 2  Question: 27
The smallest eigenvalue and the corresponding eigenvector of the matrix $\begin{bmatrix} 2 & 2 \\ 1 & 6 \end{bmatrix}$, respectively, are $1.55$ and $\begin{Bmatrix} 2.00\\ 0.45 \end{Bmatrix}$ $2.00$ ... and $\begin{Bmatrix} 2.55\\ 0.45 \end{Bmatrix}$ $1.55$ and $\begin{Bmatrix} 2.00\\ 0.45 \end{Bmatrix}$
asked
Mar 1
in
Linear Algebra
by
jothee
(
5.2k
points)
gatecivil2021set2
linearalgebra
matrices
eigenvalues
eigenvectors
0
votes
0
answers
29
GATE Civil 2021 Set 2  Question: 28
A prismatic steel beam is shown in the figure. The plastic moment, $M_{P}$ calculated for the collapse mechanism using static method and kinematic method is $M_{P,static}> \frac{2PL}{9}=M_{P,kinematic}$ $M_{P,static}= \frac{2PL}{9}\neq M_{P,kinematic}$ $M_{P,static}= \frac{2PL}{9}= M_{P,kinematic}$ $M_{P,static}< \frac{2PL}{9}= M_{P,kinematic}$
asked
Mar 1
in
Steel Structures
by
jothee
(
5.2k
points)
gatecivil2021set2
conceptofplasticanalysis
beamsandframes
0
votes
0
answers
30
GATE Civil 2021 Set 2  Question: 29
A frame $\text{EFG}$ is shown in the figure. All members are prismatic and have equal flexural rigidity. The member $\text{FG}$ carries a uniformly distributed load $\text{w}$ per unit length. Axial deformation of any member is neglected. Considering the joint $\text{F}$ being ... $\text{0.375 wL}$ $\text{0.453 wL}$ $\text{0.482 wL}$ $\text{0.500 wL}$
asked
Mar 1
in
Solid Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
flexuralandshearstress
0
votes
0
answers
31
GATE Civil 2021 Set 2  Question: 30
A clay layer of thickness $\text{H}$ has a preconsolidation pressure $p_{c}$ and an initial void ratio $e_{0}$.The initial effective overburden stress at the midheight of the layer is $p_{0}$. At the same location, the increment in effective stress due to applied external load ...
asked
Mar 1
in
Soil Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
timerateofconsolidation
0
votes
0
answers
32
GATE Civil 2021 Set 2  Question: 31
A rectangular open channel of $\text{6 m}$ width is carrying a discharge of $20 \text{ m$^{3}$/s}$. Consider the acceleration due to gravity as $9.81 \text{ m/s}^{2}$ and assume water as incompressible and inviscid. The depth of flow in the channel at which the ... the given discharge will then be $\text{0.82 m}$ $\text{1.04 m}$ $\text{2.56 m}$ $\text{3.18 m}$
asked
Mar 1
in
Hydraulics
by
jothee
(
5.2k
points)
gatecivil2021set2
flowmeasurementinchannels
rectangularchannels
0
votes
0
answers
33
GATE Civil 2021 Set 2  Question: 32
Read the statements given below. Value of the wind profile exponent for the 'very unstable' atmosphere is smaller than the wind profile exponent for the 'neutral' atmosphere. Downwind concentration of air pollutants due to an elevated point source will be inversely ... is False and $\text{iii}$ is False $\text{iii}$ is False and $\text{iv}$ is False
asked
Mar 1
in
Air Pollution
by
jothee
(
5.2k
points)
gatecivil2021set2
sourcesandimpactsofpollutants
0
votes
0
answers
34
GATE Civil 2021 Set 2  Question: 33
A water filtration unit is made of uniformsize sand particles of $\text{0.4 mm}$ diameter with a shape factor of $0.84$ and specific gravity of $2.55$. The depth of the filter bed is $\text{0.70 m}$ and the porosity is $0.35$. The filter bed is to be expanded to a ... $6.35 \times 10^{3}\text{ m/s}$ $0.69 \text{ cm/s}$ $0.75 \text{ cm/s}$
asked
Mar 1
in
Hydrology
by
jothee
(
5.2k
points)
gatecivil2021set2
infiltration
0
votes
0
answers
35
GATE Civil 2021 Set 2  Question: 34
For a given traverse, latitudes and departures are calculated and it is found that sum of latitudes is equal to $\text{+2.1 m}$ and the sum of departures is equal to $\text{2.8 m}$. The length and bearing of the closing error, respectively, are $\text{3.50 m}$ ... $53.13^{\circ}$ $\text{SE}$ $\text{3.50 m}$ and $53.13^{\circ}$ $\text{SE}$
asked
Mar 1
in
Geomatics Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
traversingsurvey
0
votes
0
answers
36
GATE Civil 2021 Set 2  Question: 35
From laboratory investigations, the liquid limit, plastic limit, natural moisture content and flow index of a soil specimen are obtained as $60\%, 27\%, 32\%$ and $27$, respectively. The corresponding toughness index and liquidity index of the soil specimen, respectively, are $0.15$ and $1.22$ $0.19$ and $6.60$ $1.22$ and $0.15$ $6.60$ and $0.19$
asked
Mar 1
in
Soil Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
compactionofsoil
atterberglimits
0
votes
0
answers
37
GATE Civil 2021 Set 2  Question: 36
A function is defined in Cartesian coordinate system as $f(x,y)=xe^{y}$. The value of the directional derivative of the function ($\textit{in integer}$) at the point $(2,0)$ along the direction of the straight line segment from point $(2, 0)$ to point $\left ( \dfrac{1}{2} ,2\right )$ is _________
asked
Mar 1
in
Calculus
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
calculus
directionalderivatives
0
votes
0
answers
38
GATE Civil 2021 Set 2  Question: 37
An elevated cylindrical water storage tank is shown in the figure. The tank has inner diameter of $\text{1.5 m}$. It is supported on a solid steel circular column of diameter $\text{75 mm}$ and total height $\text{(L)}$ of $\text{4m}$ ... $\text{(h)}$ of the water permissible (in $\text{m}$, $\textit{round off to one decimal place}$) is ________________________
asked
Mar 1
in
Solid Mechanics
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
bucklingofcolumn
0
votes
0
answers
39
GATE Civil 2021 Set 2  Question: 38
A prismatic fixedfixed beam, modelled with a total lumpedmass of $\text{10 kg}$ as a single degree of freedom $\text{(SDOF)}$ system is shown in the figure. If the flexural stiffness of the beam is $4 \pi ^{2}$ $\text{kN/m}$, its natural frequency of vibration (in $\text{Hz}$, $\textit{in integer}$) in the flexural mode will be ______________
asked
Mar 1
in
Structural Analysis
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
stiffnessandflexibilitymethods
structuralanalysis
0
votes
0
answers
40
GATE Civil 2021 Set 2  Question: 39
A perfectly flexible and inextensible cable is shown in the figure (not to scale). The external loads at $\text{F}$ and $\text{G}$ are acting vertically. The magnitude of tension in the cable segment $\text{FG}$ (in $\text{kN}, \textit{round off to two decimal places}$) is ________________________
asked
Mar 1
in
Structural Analysis
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
analysisofcables
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