Questions by go_editor / GO Civil

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121

GATE2020-CE-1-46
A vertical retaining wall of $5\:m$ height has to support soil having unit weight of $18\:kN/m^3$ , effective cohesion of $12\:kN/m^2$, and effective friction angle of $30^\circ{}$ . As per Rankine's earth pressure theory and assuming that a ... has occurred, the lateral active thrust on the wall per meter length ( in $kN/m$ , round off to two decimal places), is __________

A vertical retaining wall of $5\:m$ height has to support soil having unit weight of $18\:kN/m^3$ , effective cohesion of $12\:kN/m^2$, and effective friction angle of $3...

asked Feb 27, 2020

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122

GATE2020-CE-1-47
Water flows in the upward direction in a tank through $2.5\;m$ thick sand layer as shown in the figure. The void ratio and specific gravity of sand are $0.58$ and $2.7$, respectively. The sand is fully saturated. Unit weight of water is $10\:kN/m^3$. The ... (in $kPa$, round off to two decimal places) at point $\textbf{A}$, located $1\:m$ above the base of tank, is ______.

Water flows in the upward direction in a tank through $2.5\;m$ thick sand layer as shown in the figure. The void ratio and specific gravity of sand are $0.58$ and $2.7$, ...

asked Feb 27, 2020

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123

GATE2020-CE-1-48
A $10\:m$ thick clay layer is resting over a $3\:m$ thick sand layer and is submerged. A fill of $2\:m$ thick sand with unit weight of $20\:kN/m^3$ is placed above the clay layer to accelerate the rate of consolidation of the clay layer. ... settlement (in $mm$, round off to two decimal places) of the clay layer, $10$ years after the construction of the fill, is ______.

A $10\:m$ thick clay layer is resting over a $3\:m$ thick sand layer and is submerged. A fill of $2\:m$ thick sand with unit weight of $20\:kN/m^3$ is placed above the cl...

asked Feb 27, 2020

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124

GATE2020-CE-1-49
Three reservoirs $P,Q$ and $R$ are interconnected by pipes as shown in the figure (not drawn to the scale). Piezometric head at the junction $S$ of the pipes is $100\:m$. Assume acceleration due to gravity as $9.81\:m/s^2$ ... height of water level in the lowermost reservoir $R$ (in $m$, round off to one decimal place) with respect to the datum, is ______.

Three reservoirs $P,Q$ and $R$ are interconnected by pipes as shown in the figure (not drawn to the scale). Piezometric head at the junction $S$ of the pipes is $100\:m$....

asked Feb 27, 2020

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125

GATE2020-CE-1-50
In a homogenous unconfined aquifer of area $3.00\:km^2$, the water table was at an elevation of $102.00\:m$. After a natural recharge of volume $0.90$ million cubic meter $(Mm^3)$, the water table rose to $103.20\:m$. After this recharge,ground ... $Mm^3$ and round off to two decimal places), is ______.

In a homogenous unconfined aquifer of area $3.00\:km^2$, the water table was at an elevation of $102.00\:m$. After a natural recharge of volume $0.90$ million cubic meter...

asked Feb 27, 2020

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126

GATE2020-CE-1-51
A circular water tank of $2\:m$ diameter has a circular orifice of diameter $0.1\:m$ at the bottom. Water enters the tank steadily at a flow rate of $20\:litre/s$ and escapes through the orifice. The coefficient of discharge of the orifice is $0.8$. ... losses. The height of the water level (in $m$, round off to two decimal places) in the tank at the steady state, is ______.

A circular water tank of $2\:m$ diameter has a circular orifice of diameter $0.1\:m$ at the bottom. Water enters the tank steadily at a flow rate of $20\:litre/s$ and esc...

asked Feb 27, 2020

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127

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}\:...

asked Feb 27, 2020

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128

GATE2020-CE-1-53
A gaseous chemical has a concentration of $41.6\:\mu mol/m^3$ in air at $1$ atm pressure and temperature $293\:K$. The universal gas constant $R$ is $82.05\times10^{-6}\;(m^3\:atm)/(mol\:K)$. Assuming that ideal gas law is valid , the concentration of the gaseous chemical (in ppm, round off to one decimal place), is ______.

A gaseous chemical has a concentration of $41.6\:\mu mol/m^3$ in air at $1$ atm pressure and temperature $293\:K$. The universal gas constant $R$ is $82.05\times10^{-6}\;...

asked Feb 27, 2020

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129

GATE2020-CE-1-54
A stream with a flow rate of $5\:m^3/s$ is having an ultimate BOD of $30\:mg/litre$. A wastewater discharge of $0.20\:m^3/s$ having $BOD_5\:\text{of}\:500\:mg/litre$ joins the stream at a location and instantaneously gets mixed up completely. The ... $e$). The BOD (in mg/litre, round off to two decimal places) remaining at $3\:km$ downstream from the mixing location, is __________

A stream with a flow rate of $5\:m^3/s$ is having an ultimate BOD of $30\:mg/litre$. A wastewater discharge of $0.20\:m^3/s$ having $BOD_5\:\text{of}\:500\:mg/litre$ join...

asked Feb 27, 2020

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130

GATE2020-CE-1-55
The lengths and bearings of a traverse $PQRS$ are: $\begin{array}{|c|c|c|}\hline \text{Segment}&\text{Length}\:(m) &\text{Bearing}\\\hline PQ&40&80^\circ{} \\\hline QR&50&10^\circ{} \\\hline RS&30&210^\circ{}\\\hline\end{array}$ The length of line segment SP (in $m$, round off to two decimal places), is __________

The lengths and bearings of a traverse $PQRS$ are:$$\begin{array}{|c|c|c|}\hline \text{Segment}&\text{Length}\:(m) &\text{Bearing}\\\hline PQ&40&80^\circ{} \\\hline QR&...

asked Feb 27, 2020

1 votes

1 answer

131

GATE Civil 2020 Set 2 | GA Question: 1
Rescue teams deployed _______disaster hit areas combat_______a lot of difficulties to save the people. with, at in, with with, with to, to

Rescue teams deployed _______disaster hit areas combat_______a lot of difficulties to save the people.with, atin, withwith, withto, to

asked Feb 13, 2020

1 votes

1 answer

132

GATE Civil 2020 Set 2 | GA Question: 2
Select the most appropriate word that can replace the underlined word without changing the meaning of the sentence: Now-a-days, most children have a tendency to belittle the legitimate concerns of their parents. disparage applaud reduce begrudge

Select the most appropriate word that can replace the underlined word without changing the meaning of the sentence:Now-a-days, most children have a tendency to belittle t...

asked Feb 13, 2020

1 votes

1 answer

133

GATE Civil 2020 Set 2 | GA Question: 3
Select the word that fits the analogy: Partial : Impartial :: Popular: _______ Impopular Dispopular Mispopular Unpopular

Select the word that fits the analogy:Partial : Impartial :: Popular: _______ImpopularDispopularMispopularUnpopular

asked Feb 13, 2020

1 votes

1 answer

134

GATE Civil 2020 Set 2 | GA Question: 4
After the inauguration of the new building, the Head of the Department (HoD) collated faculty preferences for office space. $P$ wanted a room adjacent to the lab. $Q$ wanted to be close to the lift. $R$ wanted a view of the playground and $S$ wanted a corner office. Assuming that everyone was satisfied, which among the following shows a possible allocation?

After the inauguration of the new building, the Head of the Department (HoD) collated faculty preferences for office space. $P$ wanted a room adjacent to the lab. $Q$ wan...

asked Feb 13, 2020

2 votes

1 answer

135

GATE Civil 2020 Set 2 | GA Question: 5
If $f(x) = x^2$ for each $x\in (-\infty,\infty)$, then $\large \dfrac{f\left(f\left(f(x)\right)\right)}{f(x)}$ is equal to _______. $f(x)$ $(f(x))^2$ $(f(x))^3$ $(f(x))^4$

If $f(x) = x^2$ for each $x\in (-\infty,\infty)$, then $\large \dfrac{f\left(f\left(f(x)\right)\right)}{f(x)}$ is equal to _______.$f(x)$$(f(x))^2$$(f(x))^3$$(f(x))^4$

asked Feb 13, 2020

1 votes

1 answer

136

GATE Civil 2020 Set 2 | GA Question: 6
Nominal interest rate is defined as the amount paid by the borrower to the lender for using the borrowed amount for a specific period of time. Real interest rate calculated on the basis of actual value (inflation-adjusted), is ... interest rate is low and lenders get benefited Under low inflation, real interest rate is low and borrowers get benefited

Nominal interest rate is defined as the amount paid by the borrower to the lender for using the borrowed amount for a specific period of time. Real interest rate calculat...

asked Feb 13, 2020

1 votes

1 answer

137

GATE Civil 2020 Set 2 | GA Question: 7
For the year $2019$, which of the previous year’s calendar can be used? $2011$ $2012$ $2013$ $2014$

For the year $2019$, which of the previous year’s calendar can be used?$2011$$2012$$2013$$2014$

asked Feb 13, 2020

1 votes

1 answer

138

GATE Civil 2020 Set 2 | GA Question: 8
The ratio of ‘the sum of the odd positive integers from $1$ to $100$’ to ‘the sum of the even positive integers from $150$ to $200$’ is ________. $45:95$ $1:2$ $50:91$ $1:1$

The ratio of ‘the sum of the odd positive integers from $1$ to $100$’ to ‘the sum of the even positive integers from $150$ to $200$’ is ________.$45:95$$1:2$$50:9...

asked Feb 13, 2020

1 votes

1 answer

139

GATE Civil 2020 Set 2 | GA Question: 9
In a school of $1000$ students, $300$ students play chess and $600$ students play football. If $50$ students play both chess and football, the number of students who play neither is ________. $200$ $150$ $100$ $50$

In a school of $1000$ students, $300$ students play chess and $600$ students play football. If $50$ students play both chess and football, the number of students who play...

asked Feb 13, 2020

1 votes

1 answer

140

GATE Civil 2020 Set 2 | GA Question: 10
The monthly distribution of $9$ Watt LED bulbs sold by two firms $X$ and $Y$ from January to June $2018$ is shown in the pie-chart and the corresponding table. If the total number of LED bulbs sold by the two firms during April-June $2018$ is $50000$, then the ... $11250$ $9750$ $8750$ $8250$

The monthly distribution of $9$ Watt LED bulbs sold by two firms $X$ and $Y$ from January to June $2018$ is shown in the pie-chart and the corresponding table. If the tot...

asked Feb 13, 2020

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141

GATE2020 CE-2-1
The ordinary differential equation $\dfrac{d^2u}{dx^2}$- 2x^2u +\sin x = 0$ is linear and homogeneous linear and nonhomogeneous nonlinear and homogeneous nonlinear and nonhomogeneous

The ordinary differential equation $\dfrac{d^2u}{dx^2}$$- 2x^2u +\sin x = 0$ islinear and homogeneouslinear and nonhomogeneousnonlinear and homogeneousnonlinear and nonho...

asked Feb 13, 2020

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142

GATE2020 CE-2-2
The value of $\lim_{x\to\infty}\dfrac{\sqrt{9x^2+2020}}{x+7}\:\text{is}$ $\dfrac{7}{9}$ $1$ $3$ indeterminable

The value of $$\lim_{x\to\infty}\dfrac{\sqrt{9x^2+2020}}{x+7}\:\text{is}$$$\dfrac{7}{9}$$1$$3$indeterminable

asked Feb 13, 2020

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143

GATE2020 CE-2-3
The integral $\int\limits_{0}^{1} (5x^3 + 4x^2 + 3x + 2) dx$ is estimated numerically using three alternative methods namely the rectangular,trapezoidal and Simpson's rules with a common step size. In this context, which one of the following ... NON-zero error. Only the rectangular rule of estimation will give zero error. Only Simpson's rule of estimation will give zero error.

The integral $\int\limits_{0}^{1} (5x^3 + 4x^2 + 3x + 2) dx$ is estimated numerically using three alternative methods namely the rectangular,trapezoidal and Simpson’s r...

asked Feb 13, 2020

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144

GATE2020 CE-2-4
The following partial differential equation is defined for $u:u (x,y)$ $\dfrac{\partial u}{\partial y}=\dfrac{\partial^2 u}{\partial x^2}; \space y\geq0; \space x_1\leq x \leq x_2$ The set of auxiliary ... the equation uniquely, is three initial conditions three boundary conditions two initial conditions and one boundary condition one initial condition and two boundary conditions

The following partial differential equation is defined for $u:u (x,y)$$$\dfrac{\partial u}{\partial y}=\dfrac{\partial^2 u}{\partial x^2}; \space y\geq0; \space x_1\leq x...

asked Feb 13, 2020

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145

GATE2020 CE-2-5
The ratio of the plastic moment capacity of a beam section to its yield moment capacity is termed as aspect ratio load factor shape factor slenderness ratio

The ratio of the plastic moment capacity of a beam section to its yield moment capacity is termed asaspect ratioload factorshape factorslenderness ratio

asked Feb 13, 2020

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146

GATE2020 CE-2-6
The state of stress represented by Mohr’s circle shown in the figure is uniaxial tension biaxial tension of equal magnitude hydrostatic stress pure shear

The state of stress represented by Mohr’s circle shown in the figure isuniaxial tensionbiaxial tension of equal magnitudehydrostatic stresspure shear

asked Feb 13, 2020

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147

GATE2020 CE-2-7
A weightless cantilever beam of span L is loaded as shown in the figure. For the entire span of the beam, the material properties are identical and the cross section is rectangular with constant width. From the flexure-critical perspective, the most economical longitudinal profile of the beam to carry the given loads among the options given below, is

A weightless cantilever beam of span L is loaded as shown in the figure. For the entire span of the beam, the material properties are identical and the cross section is r...

asked Feb 13, 2020

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148

GATE2020 CE-2-8
As per $IS\:456:2000$, the $pH$ value of water for concrete mix shall NOT be less than $4.5$ $5.0$ $5.5$ $6.0$

As per $IS\:456:2000$, the $pH$ value of water for concrete mix shall NOT be less than$4.5$$5.0$$5.5$$6.0$

asked Feb 13, 2020

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149

GATE2020 CE-2-9
The traffic starts discharging from an approach at an intersection with the signal turning green. The constant headway considered from the fourth or fifth headway position is referred to as discharge headway effective headway intersection headway saturation headway

The traffic starts discharging from an approach at an intersection with the signal turning green. The constant headway considered from the fourth or fifth headway positio...

asked Feb 13, 2020

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150

GATE2020 CE-2-10
Soil deposit formed due to transportation by wind is termed as aeolian deposit alluvial deposit estuarine deposit lacustrine deposit

Soil deposit formed due to transportation by wind is termed asaeolian depositalluvial depositestuarine depositlacustrine deposit

asked Feb 13, 2020

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151

GATE2020 CE-2-11
A sample of $500\:g$ dry sand, when poured into a $2$ litre capacity cylinder which is partially filled with water, displaces $188\:cm^3$ of water. The density of water is $1\:g/cm^3.$ The specific gravity of the sand is $2.72$ $2.66$ $2.55$ $2.52$

A sample of $500\:g$ dry sand, when poured into a $2$ litre capacity cylinder which is partially filled with water, displaces $188\:cm^3$ of water. The density of water i...

asked Feb 13, 2020

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152

GATE2020 CE-2-12
Muskingum method is used in hydrologic reservoir routing hydrologic channel routing hydraulic channel routing hydraulic reservoir routing

Muskingum method is used inhydrologic reservoir routinghydrologic channel routinghydraulic channel routinghydraulic reservoir routing

asked Feb 13, 2020

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153

GATE2020 CE-2-13
Superpassage is a canal cross-drainage structure in which natural stream water flows with free surface below a canal natural stream water flows under pressure below a canal canal water flows with free surface below a natural stream canal water flows under pressure below a natural stream

Superpassage is a canal cross-drainage structure in whichnatural stream water flows with free surface below a canalnatural stream water flows under pressure below a canal...

asked Feb 13, 2020

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154

GATE2020 CE-2-14
A triangular direct runoff hydrograph due to a storm has a time base of $90$ hours. The peak flow of $60\: m^3/s$ occurs at $20$ hours from the start of the storm. The area of catchment is $300\: km^2$. The rainfall excess of the storm (in cm), is $2.00$ $3.24$ $5.40$ $6.48$

A triangular direct runoff hydrograph due to a storm has a time base of $90$ hours. The peak flow of $60\: m^3/s$ occurs at $20$ hours from the start of the storm. The ar...

asked Feb 13, 2020

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155

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...

asked Feb 13, 2020

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156

GATE2020 CE-2-16
The relationship between oxygen consumption and equivalent biodegradable organic removal (i.e.,BOD) in a closed container with respect to time is shown in the figure Assume that the rate of oxygen consumption is directly proportional to the amount of degradable organic matter and is expressed as ... is $BOD_5 = L_5$ $BOD_t = L_0-L_t$ $L_0 = L_te^{-kt}$ $L_t = L_0(1-e^{-kt})$

The relationship between oxygen consumption and equivalent biodegradable organic removal (i.e.,BOD) in a closed container with respect to time is shown in the figureAssum...

asked Feb 13, 2020

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157

GATE2020 CE-2-17
A gas contains two types of suspended particles having average sizes of $2\: \mu m$ and $50\: \mu m$. Amongst the options given below, the most suitable pollution control strategy for removal of these ... bag filter electrostatic precipitator followed by venturi scrubber electrostatic precipitator followed by cyclonic separator bag filter followed by electrostatic precipitator

A gas contains two types of suspended particles having average sizes of $2\: \mu m$ and $50\: \mu m$. Amongst the options given below, the most suitable pollution control...

asked Feb 13, 2020

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158

GATE2020 CE-2-18
A fair (unbiased) coin is tossed $15$ times. The probability of getting exactly $8$ Heads (round off to three decimal places), is _______.

A fair (unbiased) coin is tossed $15$ times. The probability of getting exactly $8$ Heads (round off to three decimal places), is _______.

asked Feb 13, 2020

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159

GATE2020 CE-2-19
The maximum applied load on a cylindrical concrete specimen of diameter $150\: mm$ and length $300\: mm$ tested as per the split tensile strength test guidelines of $IS\:5816:1999$ is $157\: kN$. The split tensile strength (in $MPa,$ round off to one decimal place) of the specimen is _______.

The maximum applied load on a cylindrical concrete specimen of diameter $150\: mm$ and length $300\: mm$ tested as per the split tensile strength test guidelines of $IS\:...

asked Feb 13, 2020

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160

GATE2020 CE-2-20
For an axle load of $15$ tonne on a road, the Vehicle Damage Factor (round off to two decimal places), in terms of the standard axle load of $8$ tonne, is __________.

For an axle load of $15$ tonne on a road, the Vehicle Damage Factor (round off to two decimal places), in terms of the standard axle load of $8$ tonne, is __________.

asked Feb 13, 2020