GATE Civil Q&A

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1

GATE2017 CE-1: 55
The wastewater having an organic concentration of $54$ mg/l is flowing at a steady rate of $0.8 \: m^3/day$ through a detention tank of dimensions $2m \times 4 m \times 2 m$. If the contents of the tank are well mixed and the decay constant $0.1$ per day, the outlet concentration (in mg/l, up to one decimal place) is _________

answered Jun 28, 2020 in Water and Waste Water by Vipin6419 (140 points)

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2

GATE2017 CE-1: GA-10
The bar graph below shows the output of five carpenters over one month, each of whom made different items of furniture: chairs, tables, and beds. Consider the following statements. The number of beds made by carpenter $C2$ is exactly the same as the number of tables ... the total number of tables. Which one of the following is true? Only i Only ii Both i and ii Neither i nor ii

answered Jun 28, 2020 in Numerical Ability by Amulyabhay (140 points)

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3

GATE2020-CE-1-GA-1
It is a common criticism that most of the academicians live in their ________ , so, they are not aware of their real life challenges. homes ivory towers glass palaces big flats

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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4

GATE2020-CE-1-GA-2
His hunger for reading is insatiable. He reads indiscriminately. He is most certainly a/an ______ reader. all-round precocious voracious wise

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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5

GATE2020-CE-1-GA-3
Select the word that fits the analogy: Fuse : Fusion :: Use : ______ Usage User Uses Usion

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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6

GATE2020-CE-1-GA-4
If $0,1,2,\dots,7,8,9$ are coded as $O,P,Q,\dots,V,W,X$, then $45$ will be coded as ______. $TS$ $ST$ $SS$ $SU$

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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7

GATE2020-CE-1-GA-5
The sum of two positive numbers is $100$. After subtracting $5$ from each number, the product of the resulting numbers is $0$. One of the original numbers is ______. $80$ $85$ $90$ $95$

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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8

GATE2020-CE-1-GA-6
The American psychologist Howard Gardner expounds that human intelligence can be subcategorized into multiple kinds, in such a way that individuals differ with respect to their relative competence in each kind. Based on this theory, modern ... theory of multiple intelligences. Modern educationists insist that the teaching curriculum and evaluation needs to be multi-dimensional.

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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9

GATE2020-CE-1-GA-7
Five friends $P,Q,R,S$ and $T$ went camping. At night, they had to sleep in a row inside the tent.$P,Q$ and $T$ refused to sleep next to $R$ since he snored loudly. $P$ and $S$ wanted to avoid $Q$ as he usually hugged people in sleep. Assuming everyone was satisfied with the sleeping arrangements, what is the order in which they slept? $RSPTQ$ $SPRTQ$ $QRSPT$ $QTSPR$

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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10

GATE2020-CE-1-GA-8
Insert seven numbers between $2$ and $34$, such that the resulting sequence including $2$ and $34$ is an arithmetic progression. The sum of these inserted seven numbers is ______. $120$ $124$ $126$ $130$

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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11

GATE2020-CE-1-GA: 9
The unit’s place in $26591749^{110016}$ is ______. $1$ $3$ $6$ $9$

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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12

GATE2020-CE-1-GA: 10
The total expenditure of a family, on different activities in a month, is shown in the pie-chart. The extra money spent on education as compared to transport (in percent) is ______. $5$ $33.3$ $50$ $100$

asked Feb 28, 2020 in Verbal Ability by jothee (2.7k points)

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13

GATE2020-CE-1-1
In the following partial differential equation, $\theta$ is a function of $t$ and $z$, and $D$ and $K$ are functions of $\theta$ ... The above equation is a second order linear equation a second degree linear equation a second order non-linear equation a second degree non-linear equation

asked Feb 28, 2020 in Engineering Mathematics by jothee (2.7k points)

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14

GATE2020-CE-1-2
The value of $\lim_{x\to\infty}\dfrac{x^2-5x+4}{4x^2+2x}$ is $0 \\$ $\dfrac{1}{4} \\$ $\dfrac{1}{2} \\$ $1$

asked Feb 28, 2020 in Engineering Mathematics by jothee (2.7k points)

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15

GATE2020-CE-1-3
The true value of $\ln(2)$ is $0.69$. If the value of $\ln(2)$ is obtained by linear interpolation between $\ln(1)$ and $\ln(6)$, the percentage of absolute error (round off to the nearest integer), is $35$ $48$ $69$ $84$

asked Feb 28, 2020 in Engineering Mathematics by jothee (2.7k points)

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16

GATE2020-CE-1-4
The area of an ellipse represented by an equation $\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$ is $\dfrac{\pi ab}{4} \\$ $\dfrac{\pi ab}{2} \\$ $\pi ab \\$ $\dfrac{4\pi ab}{3}$

asked Feb 28, 2020 in Engineering Mathematics by jothee (2.7k points)

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17

GATE2020-CE-1-5
Consider the planar truss shown in the figure (not drawn to the scale) Neglecting self weight of the numbers, the number of zero-force members in the truss under the action of the load $P$, is $6$ $7$ $8$ $9$

asked Feb 28, 2020 in Structural Analysis by jothee (2.7k points)

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18

GATE2020-CE-1-6
A reinforcing steel bar, partially embedded in concrete, is subjected to a tensile force $P$. The figure that appropriately represents the distribution of the magnitude of bond stress (represented as hatched region), along the embedded length of the bar, is

asked Feb 28, 2020 in Steel Structures by jothee (2.7k points)

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19

GATE2020-CE-1-7
In a two-dimensional stress analysis, the state of stress at a point $P$ is $\begin{bmatrix} \sigma \end{bmatrix} = \begin{bmatrix}\sigma_{xx} &\tau_{xy} \\ \tau_{xy} &\sigma_{yy} \end{bmatrix}$ The necessary and sufficient condition for existence of the state of pure shear at ... $\tau_{xy}=0$ $\sigma_{xx}+\sigma_{yy}=0$ $(\sigma_{xx}-\sigma_{yy})^2+4\tau^2_{xy}=0$

asked Feb 28, 2020 in Geotechnical Engineering by jothee (2.7k points)

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20

GATE2020-CE-1-8
During the process of hydration of cement, due to increase in Dicalcium Silicate $(C_2S)$ content in cement clinker, the heat of hydration increases decreases initially decreases and then increases does not change

asked Feb 28, 2020 in Geotechnical Engineering by jothee (2.7k points)

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21

GATE2020-CE-1-9
The Los Angeles test for stone aggregates is used to examine abrasion resistance crushing strength soundness specific gravity

asked Feb 28, 2020 in Foundation Engineering by jothee (2.7k points)

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22

GATE2020-CE-1-10
Which one of the following statements is. $\textbf{NOT}$ correct? A clay deposit with a liquidity index greater than unity is in a state of plastic consistency. The cohesion of normally consolidated clay is zero when triaxial test is conducted ... 's equation predicts higher value of vertical stress at a point directly beneath the load as compared to Westergaards's equation.

asked Feb 28, 2020 in Geotechnical Engineering by jothee (2.7k points)

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23

GATE2020-CE-1-11
In a soil investigation work at a site, Standard Penetration Test (SPT) was conducted at every $1.5\:m$ interval upto $30\: m$ depth. At $3\:m$ depth, the observed number of hammer blows for three successive $150\:mm$ penetrations were $8,6$ and $9$,respectively. The SPT N-value at $3\:m$ depth, is $23$ $17$ $15$ $14$

asked Feb 28, 2020 in Soil Mechanics by jothee (2.7k points)

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24

GATE2020-CE-1-12
Velocity of flow is proportional to the first power of hydraulic gradient in Darcy’s law. This law is applicable to laminar flow in porous media transitional flow in porous media turbulent flow in porous media laminar as well as turbulent flow in porous media

asked Feb 28, 2020 in Hydraulics by jothee (2.7k points)

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25

GATE2020-CE-1-13
A body floating in a liquid is in a stable state of equilibrium if its metacentre lies above its centre of gravity metacentre lies below its centre of gravity metacentre coincides with its centre of gravity centre of gravity is below its centre of buoyancy

asked Feb 28, 2020 in Engineering Mechanics by jothee (2.7k points)

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26

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 $\pm U(x\sin\theta+y\cos\theta)$ $\pm U(y\sin\theta-x\cos\theta)$ $\pm U(x\sin\theta-y\cos\theta)$ $\pm U(y\sin\theta+x\cos\theta)$

asked Feb 28, 2020 in Hydraulics by jothee (2.7k points)

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27

GATE2020-CE-1-15
The data for an agricultural field for a specific month are given below: ... $mm$) to be applied to the field in that month, is $0$ $20$ $40$ $80$

asked Feb 28, 2020 in Irrigation by jothee (2.7k points)

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28

GATE2020-CE-1-16
During chlorination process, aqueous (aq) chlorine reacts rapidly with water to form $Cl^-,HOCl$, and $H^+$ as shown below $Cl_2(aq)+H_2O\:{\large\rightleftharpoons}\:HOCl+Cl^-+H^+$ The most active disinfectant in the chlorination process from amongst the following, is $H^+$ $HOCl$ $Cl^-$ $H_2O$

asked Feb 28, 2020 in Water Resources Engineering by jothee (2.7k points)

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29

GATE2020-CE-1-17
An amount of $35.67\:mg\:HCl$ is added to distilled water and the total solution volume is made to one litre. The atomic weights of $H$ and $Cl$ are $1$ and $35.5$, respectively. Neglecting the dissociation of water, the pH of the solution, is $3.50$ $3.01$ $2.50$ $2.01$

asked Feb 28, 2020 in Water Resources Engineering by jothee (2.7k points)

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30

GATE2020-CE-1-18
The probability that a $50$ year flood may $\textbf{NOT}$ occur at all during $25$ years life of a project (round off to two decimal places), is _______.

asked Feb 28, 2020 in Probability and Statistics by jothee (2.7k points)

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31

GATE2020-CE-1-19
A planar elastic structure is subjected to uniformly distributed load, as shown in the figure (not drawn to the scale) Neglecting self-weight, the maximum bending moment generated in the structure (in $kN.m$, round off to the nearest integer), is _______.

asked Feb 28, 2020 in Solid Mechanics by jothee (2.7k points)

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32

GATE2020-CE-1-20
In an urban area, a median is provided to separate the opposing stream of traffic. As per $IRC:86-1983$, the desirable minimum width (in $m$, expressed as integer) of the median, is _______.

asked Feb 28, 2020 in Traffic Engineering by jothee (2.7k points)

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33

GATE2020-CE-1-21
A road in a hilly terrain is to be laid at a gradient of $4.5\%$. A horizontal curve of radius $100\:m$ is laid at a location on this road. Gradient needs to be eased due to combination of curved horizontal and vertical profiles of the road. As per IRC, the compensated gradient (in $\%$, round off to one decimal place), is _______.

asked Feb 28, 2020 in Geomatics Engineering by jothee (2.7k points)

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34

GATE2020-CE-1-22
In a drained triaxial compression test, a sample of sand fails at deviator stress of $150\:kPa$ under confining pressure of $50\:kPa$. The angle of internal friction (in degree, round off to the nearest integer) of the sample, is ______

asked Feb 28, 2020 in Soil Mechanics by jothee (2.7k points)

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35

GATE2020-CE-1-23
A fully submerged infinite sandy slope has an inclination of $30^\circ{}$ with the horizontal. The saturated unit weight and effective angle of internal friction of sand are $18\:kN/m^3$ and $38^\circ{}$ ... is parallel to the slope. Against shear failure of the slope, the factor of safety (round off to two decimal places) is ______.

asked Feb 28, 2020 in Foundation Engineering by jothee (2.7k points)

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36

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 ____________.

asked Feb 28, 2020 in Water Resources Engineering by jothee (2.7k points)

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37

GATE2020-CE-1-25
A river has a flow of $1000$ million litres per day (MLD), $BOD_5$ of $5\:mg/litre$ and Dissolved Oxygen (DO) level of $8\:mg/litre$ before receiving the wastewater discharge at a location. For the existing environmental conditions, the saturation ... complete mixing of wastewater and river water, the immediate DO deficit (in $mg/litre$ round off to two decimal places), is ______.

asked Feb 28, 2020 in Environmental Engineering by jothee (2.7k points)

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38

GATE2020-CE-1-26
For the Ordinary Differential Equation ${\large\frac{d^2x}{dt^2}}-5{\large\frac{dx}{dt}}+6x=0$, with initial conditions $x(0)=0$ and ${\large\frac{dx}{dt}}(0)=10$, the solution is $-5e^{2t}+6e^{3t}$ $5e^{2t}+6e^{3t}$ $-10e^{2t}+10e^{3t}$ $10e^{2t}+10e^{3t}$

asked Feb 28, 2020 in Engineering Mathematics by jothee (2.7k points)

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39

GATE2020-CE-1-27
A continuous function $f(x)$ is defined. If the third derivative at $x_i$ is to be computed by using the fourth order central finite-divided-difference scheme (with step length $=h$ ...

asked Feb 28, 2020 in Calculus by jothee (2.7k points)

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40

GATE2020-CE-1-28
Distributed load(s) of $50\:kN/m$ may occupy position(s) (either continuously or in patches) on the girder $\textbf{PQRST}$ as shown in the figure (not drawn to the scale) The maximum negative (hogging) bending moment (in $kN.m$) that occurs at point $\textbf{R}$, is $22.50$ $56.25$ $93.75$ $150.00$

asked Feb 28, 2020 in Geotechnical Engineering by jothee (2.7k points)

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