Download GATE GATE CE?Civil Question Paper With Solution Part 2

Download GATE (Graduate Aptitude Test in Engineering) GATE CE?Civil Question Paper With Solution Part 2

This post was last modified on 18 December 2019

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GATE Previous Last 10 Years 2010-2020 Question Papers With Solutions And Answer Keys

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GATE CE 2019 Set 2: Questions & Solutions

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General Aptitude

Daytime temperature in Delhi can ________ 40°C
1. Peak
2. reach
3. get
4. stand
Answer: B

Solution:

Daytime temperature in Delhi can reach 40°C
The growth rate of ABC Motors in 2017 was the same ________ XYZ Motors in 2016.
1. As those of
2. As that off
3. As that of
4. As off
Answer: C

Solution :
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The growth rate of ABC Motors in 2017 was the same as that of XYZ Motors in 2016.
Suresh wanted to lay a new carpet in his new mansion with an area of 70 55 sq. mts. However an area of 550 sq. mts had to be left out for flower pots. If the cost of carpet is Rs. 50 per sq. mts, how much money (in Rs.) will be spent by Suresh for the carpet now?
1. Rs. 1,65,000
2. Rs. 1,92,500
3. Rs. 1,27,500
4. Rs. 2,75,000
Answer: A

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Solution:

Area of mansion = 70 × 55 = 3850 m²
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Area for flower pots = 550 m²

? Area left for carpet = 3850 – 550 = 3300m²

.:: Cost = 3300 × 50 = 165000
A retaining wall with measurements 30 m × 12 m × 6 m was constructed with bricks of dimensions 8 cm × 6 cm. If 60% of the wall consists of bricks used for the construction is lakhs.
1. 45
2. 30
3. 40
4. 75
Answer: A

Solution:
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Volume of wall = 30 × 12 × 6 = 2160 m³

= 2160 × 10⁶ cm³

Total volume of bricks required = 2160 × 10⁶ × 0.6 cm³ = 1296 × 10⁶ cm³

Volume of one brick = 8 × 6 × 6 = 288 cm³

.:. No. of bricks required = 1296x10⁶ / 288
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= 4.5 × 10⁶ = 45 lakhs
Hima Das was ________ only Indian athlete to win ________ gold for India.
1. the, many
2. an, the
3. an, a
4. the, a
Answer : D

Solution:

Hima Das was the only Indian athlete to win a gold for India.

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Population of state X increased by x% and the population of state Y increased by y% from 2001 to 2011. Assume that x is greater than y. Let P be the ratio of the population of state X to state Y in a given year. The percentage increase in P from 2001 to 2011 is_________
1. x - y
2. 100(x-y) / 100+ x
3. 100(x-y) / 100+ y
4. X / Y
Answer: C
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Solution:

Let population of X X is 'A' in 2001

and Population of Y is 'B' in 2001

:: Population of A in 2011 = A(1+ x/100)

& Population of B in 2011 = B(1+ y/100)
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Given A/B =P

Given,

A(1+x/100) / B(1+y/100)

% increase in P = [P(1+x/100) / (1+y/100) - P] / P * 100

= (1+x/100) / (1+y/100) -1 ) * 100
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The Newspaper report that over 500 hectares of tribal land spread across 28 tribal settlements in Mohinitampuram forest division have already been “alienated'. A top forest official said, "First the tribals are duped out of their land holdings. Second, the families thus rendered landless are often forced to encroach further into the forests".
On the basis of the information available in the paragraph, is/are responsible for duping the tribals.
1. The newspaper
2. Landless families
3. forest officials
4. it cannot be inferred who
Answer: D

Solution:

"it cannot be inferred who"

From given information, nobody can be held responsible.
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An oil tank can be filled by pipe X in 5 hours and pipe Y in 4 hours, each pump working on its own. When the oil tank is full and the drainage hole is open, the oil is drained in 20 hours.
If initially the tank was empty and someone started the two pumps together but left the drainage hole open, how many hours will it tak for the tank to be filled? (Assume that the rate of drainage is independent of the head)
1. 2.50
2. 1.50
3. 2.00
4. 4.00
Answer : A

Solution:

Pipe X will fill how much in one hour = 1/5 tank

Pipe Y will fill how much in one hour = 1/4 tank
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Drainage will drain out how much water in 1 hour = 1/20 tank

.:: Total tank filled in one hour = 1/5 + 1/4 - 1/20 tank = 11/20 tank

11/20 tank gets filled in = 1 hour

? Full (i) tank gets filled in = 20/11 = 2.5 hr

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Mohan, the manager, wants his four workers to work in pairs. No paper should work for more than 5 hours. Ram and Johan have worked together for 5 hours. Krishna and Amir have
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worked as a team for 2 hours. Krishan does not want to work with Ram whom should mohan allot to work with Johan, if we wants all the workers to continue working?
1. Amir
2. Krishna
3. Ram
4. None of the three
Answer : B

Solution:

Conditions given:

(i) Ram & John have worked for 5 hours.

(ii) Krishna doesn't want to work with Ram.
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(iii) No pair should work beyond 5 hours.

Hence, Krishna should work with John to satisfy the above conditions.
"Popular Hindi fiction, despite – or perhaps because of its wide reach, often does not appear in our cinema. As ideals that viewers are meant to look up to rather than identify with, Hindi film protagonisits usually read books of apsirational value: textbooks, English books, or high value literature”.
Which one of the following CANNOT be inferred from the paragraph above?
1. Textbooks, English books or high literature have apsirational value, but not popular Hindi fiction
2. People do not look up to writers of textbooks, English book or high value literature
3. Though popular hindi fiction was wide readh, it often does not appear in the movies
4. Protagonists in Hindi movies, being ideals for viewers, read only books of aspirational value.
Answer : B

Solution:
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People do not look up to writers of textbooks, English book or high value literature.

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Civil Engineering

What is curl of the vector field 2x²yi + 5z²j - 4yzk?
1. - 14zi - 2x²k
2. 6zi + 4xj - 2x²k
3. 6zi + 8xyj + 2x²yk
4. -14zi + 6yj + 2x²k
Answer : A

Solution:
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Curl = i jk

?/?x ?/?y ?/?z

2x²y 5z² -4yz

= i(-4z-10z) -j(0-0)+k(0-2x²)

= -14zi-2x²k
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Analysis of a water sample revealed that the sample contains the following species.
CO₃^2-, Na⁺, H⁺, PO₄^3-, AP³⁺, H₂CO₃,Cl^-, Ca²⁺,

Mg²⁺, HCO₃^-, Fe²⁺, OH^-

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Concentrations of which of the species will be required to compute alkalinity?
1. CO₃^2-, H⁺, HCO₃^-, OH^-
2. H⁺, H₂CO₃, HCO₃^-, ?^-
3. CO₃^2-, H₂CO₃, HCO₃^-,OH^-
4. CO₃^2-, H⁺, H₂CO₃, HCO₃^-
Answer : A

Solution :
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H₂CO₃ and HCO₃^- never come together
The value of the function f(x) is given at n distinct values of x and its value is to be interpolated at the point x* using all the n points. The estimate is obtained first by the Lagrange polynomial, denoted by IL, and then by the Newton polynomial, denoted by IN.
Which one of the following statements is correct?
1. IL is always greater than In
2. No definite relation exists between IL and IN.
3. IL is always less than IN
4. IL and IN are always equal
Answer : B

Solution:

Lagrange's form is more efficient when you have to interpolate several data sets on the same data point.
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Newton's form is more efficient when you have to interpolate data incrementally. So no relationship between both.
If the fineness modulus of a sample of the fine aggregates is 4.3, the mean size of the particles in the sample is between
1. 150 µm and 300 µm
2. 2.36 mm and 4.75 mm
3. 300 µm and 600 µm
4. 1.18 mm and 2.36 mm
Answer : D

Solution:

150 µm, 300 µm, 600 µm, 1.18 mm,

2.36 mm, 4.75 mm, 10 mm, 20 mm,
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40 mm, 80 mm

150 – 1

300 – 2

600 – 3

1.18 – 4 ? 4.3
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2.36 – 5

4.75 – 6
The command area of a canal grows only one crop, i.e., wheat. The base period of wheat is 120 days and its total water requirement, ?, is 40 cm. If the canal discharge is 2 m³/s, the area, in hectares, rounded off to the nearest integer, which could be irrigated (neglecting all losses) is
Answer :

Solution:
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B = 120 days

A = 0.4 m

and A = 8.64B/D

D = 8.64 * 120 / 0.4 = 2592 ha per (m³/s)

.:: For 2m³/sec water, area will be 5184 ha
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The characteristic compressive strength of concrete required in a project is 25 MPa and standard deviation in the observed compressive strength expected at site is 4 MPa. The average compressive strength of cubes tested at different water-cement (w/c) ratios using the same material as is used for the project is given in the table.

w/c (%) 45 50 55 60

Average compressive strength of cubes (MPa) 35 25 20 15

The water-cement ratio (in percent, round off to the lower integer) to be used in the mix is______ .
Answer :

Solution:

fck = 25; s= 4 MPa

fm = fck + 1.65s = 31.6 MPa
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Using interpolation

w/c req. = 50 - (50-45)/(35-25) x(31.6-25)

= 46.7 (Rounded off to the lowest integer).
A solid sphere of radius, r, and made of material with density ?s, is moving through the atmosphere (constant pressure, p) with a a velocity, v. The net force ONLY due to atmospheric pressure (Fp) acting on the sphere at any time, t, is
1. 4/3 pr³?s dv/dt
2. Zero
3. pr²?
4. 4pr²p
Answer: B

Solution:
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Force = area × P

Net force will be zero as pressure acts from all sides.
An earthen dam of height H is made of cohesive soil whose cohesion and unit weight are c and ?, respectively. If the factor of safety against cohesion is Fc, the Taylor's stability
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A. CFc / ?H B. C / CFc C. FcyH / CFc D. ?H / CFc
Answer : C
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Solution:

sn = C / (Fc * ? * H)

Taylor's stability number,
A closed thin walled tube has thickness, t, mean enclosed area within the boundary of the centrline of tube's thickness, Am, and shear stress t. Torsional moment of resistance, T of the section would be
1. 2tAmt
2. tAmt
3. 0.5tAmt
4. 4tAmt
Answer: A

Solution:
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t = T / (2Am*t)

? T = 2 t Am t
For a channel section subjected to a downward vertical shear force at its centroid, which one of the following represents the correct distribution of shear stress in flange and web?
Answer: C

Solution :
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Standard result
The degree of static indeterminancy of the plane frame is shown in the figure is________ .
Answer :

Solution:

Hinge
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R' = 0

R' = 1

R' = 1

(Total R' = 2)

Ds = 3C – R'
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C = 6

Ds = (3 × 6 – 2) – 1 (due to hinge)

= 15

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w/c (%)	45	50	55	60
Average compressive strength of cubes (MPa)	35	25	20	15

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Structural failures considered in the mechanistic method of bituminous pavement design are
1. Shear and slippage
2. Fatique and Rutting
3. Fatique and shear
4. Rutting and shear
Answer : B
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Solution:

As per IRC66:2012
Which one of the options contains ONLY primary air pollutants?
1. Ozone and peroxyacetyl nitrate
2. Nitrogen oxides and peroxyacetyl nitrate
3. Hydrocarbons and nitrogen oxides
4. Hydrocarbons and ozone
Answer : C

Solution :

Ozone and PAN are secondary air pollutants.
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The following inequality i true for all x close to 0.
x² / 3 < xsinx / 1-cosx < x² / 2

What is the value of lim xsinx / 1-cosx
1. 2
2. 1/2
3. 0
4. 1
Answer: A

Solution:

lim x sinx / (x?0 1-COSX)
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It is 0/0 form

L's hospital rule (differentiate)

Ilm (x cos x + sin x) / (x?0 -(-sinx))

Putting 0 everywhere ? still 0/0 form.

Differentiating numerator and denominator again,
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lim (x(-sinx) + cosx + cosx) / COSX = 2

x?0
The velocity field in a flow system is given by v = 2i + (x + y)j + (xyz)k. The acceleration of the fluid at (1, 1, 2) is
1. j + k
2. 2i + 10 k
3. 4j + 10k
4. 4i + 12 k
Answer : C

Solution:

ax = u * (?u/?x) + v * (?u/?y) + w * (?u/?z)
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=> ax = 2*2 + (x + y) * 0 + (xyz) *0 = 4

ay = u * (?v/?x) + v * (?v/?y) + w * (?v/?z)

=> ay = 2*(x+y) + (x + y)*1+ (xyz) *0 = 2 + (1+1)*1+0 = 4

a =200 +1)+20 =44

26.A steel column is restrained against both translation and rotation at one end and is restrained only against rotation but free to translate at the other end. Theoretical and design (IS: 800 – 2007) values, respectively, of effective length factor of the column are
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This download link is referred from the post: GATE Previous Last 10 Years 2010-2020 Question Papers With Solutions And Answer Keys

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This post was last modified on 18 December 2019

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