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Practice Test: Civil Engineering (CE)- 12 - Civil Engineering (CE) MCQ


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30 Questions MCQ Test - Practice Test: Civil Engineering (CE)- 12

Practice Test: Civil Engineering (CE)- 12 for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Practice Test: Civil Engineering (CE)- 12 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Practice Test: Civil Engineering (CE)- 12 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Practice Test: Civil Engineering (CE)- 12 below.
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Practice Test: Civil Engineering (CE)- 12 - Question 1
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In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 1
Option B has the misspelt word. The correct spelling of the word is "Insatiable" which means unquenchable. The meanings of other words are

Flounder=> suffer mentally

Anoint=> Nominate or choose (someone) as successor to or leading candidate for a position

Maneuver=> Move, ploy, manipulate

Practice Test: Civil Engineering (CE)- 12 - Question 2
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The smallest angle of a triangle is equal to two thirds of the smallest angle of a quadrilateral. The ratio between the angles of the quadrilateral is 3: 4: 5: 6. The largest angle of the triangle is twice its smallest angle. What is the sum, in degrees, of the second largest angle of the triangle and the largest angle of the quadrilateral?

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 2
Let the angles of quadrilateral are 3x, 4x, 5x, 6x

So, 3x + 4x + 5x + 6x = 360

x = 20

Smallest angle of quadrilateral = 3 × 20 = 60 °

Smallest angle of triangle = 2/3 ×60∘ = 40∘

Largest angle of triangle = 2 × 40 ° = 60 °

Three angles of triangle are 40 °, 60 °, 80 °

Largest angle of quadrilateral is 120 °

Sum (2nd largest angle of triangle + largest angle of quadrilateral)

= 60 ° + 120 ° = 180 °.

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Practice Test: Civil Engineering (CE)- 12 - Question 3
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If x : y = 3 : 2, then the ratio 2x2 + 3y2 : 3x2 - 2y2 is equal to

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 3

Practice Test: Civil Engineering (CE)- 12 - Question 4
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In the following question, out of the five alternatives, select the word similar in meaning to the given word/phrase.

Thinking too much about something
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 4
Somniloquism = the tendency to talk in one's sleep.

Somnambulism = the habit of walking in one's sleep.

Obsession = something or someone that you think about all the time.

Hallucination = a sensory experience of something that does not exist outside the mind.

Soliloquy = an act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play.

So, the correct word is "obsession".

Practice Test: Civil Engineering (CE)- 12 - Question 5
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In the following question, out of the four alternatives, select the word opposite in meaning to the given word.

Adipose
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 5
Adipose refers to fatty. Contrary to that, thin is the most suitable response.

corpulent = fat, obese

glutinous = viscose, sticky

oleaginous = resembling or having the properties of oil

Practice Test: Civil Engineering (CE)- 12 - Question 6
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Select the related word/letters/number from the given alternatives.

Psychology : Mind :: Arithmetic : ?
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 6

This problem is based on the subject and its area of study.

Psychology is the science or study of the mind. Arithmetic is the branch of Mathematics that deals with computing of numbers (Addition, Subtraction, Multiplication and Division).

Hence, option B is the right answer.

Practice Test: Civil Engineering (CE)- 12 - Question 7
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Select the most appropriate option to fill in the blank.

As he could not execute the work properly, he had no option _____ to leave the organization.
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 7

"No option" is generally followed by the conjunction "but". Therefore, option D is the correct answer. See some examples

I had no option but to open the gate.

She has no option but to quit her studies.

Practice Test: Civil Engineering (CE)- 12 - Question 8
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In a triangle ABC, angle A = 60o , angle B = 100o and AB = 10cm. find AC.
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 8

By angle sum property angle C= 20 degree

as we know from sin formula

SinA/BC= SinB/AC= SinC/AB

Sin 100°/ AC= Sin 20°/ 10

Practice Test: Civil Engineering (CE)- 12 - Question 9
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What is the equation of the line which passes through the points (-1,2) and (4,-3)?
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 9

Equation of a line passing through two given paints is given by

Therefore, equation of the line passing through these two paints is

⇒ y−2 = −1(x+1)

⇒ x + y = 1

Practice Test: Civil Engineering (CE)- 12 - Question 10
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P and Q can do a project in 25 and 50 days respectively. In how many days can they complete 18% of the project if they work together?
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 10

According to the question

P and Q can do a project in 25 and 50 days respectively.

Let us assume total unit of work available is 50 (LCM of 25 & 50)

And, P does 2 unit of work daily to get it completed in 25 days

Likewise, Q does 1 unit of work daily.

Therefore, total work done by them in 1 day=3 unit

Now, no. of days requires to complete 18% of the project if they work together

⇒ 18% of 50) / 3

⇒ 9/3=3 days

Hence the correct answer is option B

Practice Test: Civil Engineering (CE)- 12 - Question 11
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If the median of (x+1), (x-1), (x-4), (x+4), (x-3) is zero then the value of x is ________?

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 11

Arrange in ascending order

I.e. x-4, x-3, x-1, x+1, x+4

Now x-1 = 0

X = 1

*Answer can only contain numeric values
Practice Test: Civil Engineering (CE)- 12 - Question 12
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A box contains 2 identical bags A and B . Bag A contains 2 Red and 5 Green balls. Bag B contains 2 Red and 6 Green Balls. A person draws a ball at random. If the drawn ball was Red what is the probability that it was from bag A?

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 12

Practice Test: Civil Engineering (CE)- 12 - Question 13
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A square matrix B is skew symmetric if
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 13
Skew-symmetric (or antisymmetric or antimetric)matrix is a square matrix whose transpose is its negation; that is, it satisfies the condition −A = AT.
Practice Test: Civil Engineering (CE)- 12 - Question 14
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If 2x - 3y = 24 and 3x + 4y = 2, find the value of x - y?
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 14
In a pair of linear equations

2x−3y = 24−−x−x−z−(1)

3x+4y = 2−x−z−z−(2)

If we multiply (1) by 4 and (2) by 3, we get 8x−12y = 96−−x−y−(3)

9x+12y = 6−x−−(4)

Now adding equation (3) and (4), we get 17x = 102

x = 102÷17

x = 6

On substituting x=6 in (1), we get y as:

12−3y = 24

−3y = 12

y = −4

Since values of x and y are known, so finding value of x−y will result in:

x−y = 6−(−4) = 6+4 = 10

x−y = 10, so correct option is ©

Practice Test: Civil Engineering (CE)- 12 - Question 15
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If A and B are invertible matrices, then inverse of AB is:
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 15
(AB)(B-1A-1) = A(BB-1)A-1

= (A1)A-1 = AA-1 = 1

Also, (B-1 A‑1) (AB) = 1

(AB)-1 = B-1 A-1

*Answer can only contain numeric values
Practice Test: Civil Engineering (CE)- 12 - Question 16
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A 400g/L solution of common salt was discharged into a stream at a constant rate of 45l/s. At a d/s section where salt solution is known to have completely mixed with the stream flow equilibrium concentration was read as 100 ppm. If a background concentration of 18ppm is applicable, then, the discharge in the stream in m3/s is ___________.

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 16
By constant rate injection method,

Qt = 45I/s=0.045m3/s

C1 = 0.4

C2 = 0.0001

C0 = 0.000018

∴ Q = 0.045(0.4−0.0001)/0.0001−0.000018 = 219.45m3/s

Practice Test: Civil Engineering (CE)- 12 - Question 17
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Find the maximum bending moment occuring at the point C due to a moving uniform load of 2 kN/m having a length of 3 m.
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 17
Drawing the bending moment ILD,

Maximum bending moment occurs at C when it divides the load in the same ratio as it divides the span, i.e. 1: 3 So total bending moment, area of ILD multiplied with load

[1/2 × (0.1875 + 0.75) × 0.75 + 1/2 × (0.1875 + 0.75) × 2.25] × 2

= [12 × (0.1875+0.75)×3] × 2 = 2.8125kNm

Practice Test: Civil Engineering (CE)- 12 - Question 18
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A prestressed concrete beam of size 300 mm × 900 mm is prestressed with an initial prestressing force of 810 kN at an eccentricity of 360 mm at mid-span. Stress at the top fibre due prestress alone
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 18

= 3MPa − 7.2MPa

= −4.2N/mm2

Practice Test: Civil Engineering (CE)- 12 - Question 19
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For two cycles coupled in series, the topping cycle has an efficiency of 40% and the bottoming cycle has an efficiency of 30%. The overall combined cycle efficiency is:

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 19
η = η1 + η2 − η1 × η2

η = 0.40 + 0.30 − 0.4 × 0.3

η = 58%

Hence, the correct answer is 58%.

Practice Test: Civil Engineering (CE)- 12 - Question 20
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The slope at point B is
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 20

Practice Test: Civil Engineering (CE)- 12 - Question 21
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Which of the following statements is incorrect?
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 21
Light weight concrete has density less than 1930 kg/m3. Other statements are correct.
Practice Test: Civil Engineering (CE)- 12 - Question 22
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A horizontal jet of water with its cross–sectional area of 0.0028 m2 hits a fixed vertical plate with a velocity of 5 m/s. After impact the jet splits symmetrically in a plane parallel to the plane of the plate. The force of impact (in N) of the jet on the plate is
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 22
The Jet impacts plate as shown

the velocity in x direction becomes zero after impact so using impulse momentum theorem

F = ρ0Q1V1 − ρωQ2V2 = ρωQ(V1−0)

Q = AV = 0.0028 × 5 = 0.014 ρω = 1000kg/m3

So ForceF = 1000 × 0.014 × (5−0)

= 70N

Practice Test: Civil Engineering (CE)- 12 - Question 23
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Read the following statements:

i. The minimum spacing required for the longitudinal reinforcement increases as the grade of steel increases.

ii. Less strain is required due to the high grade of steel.

Which of the above statements are incorrect?
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 23
More strain is required to yield high grade steel. So only ii is incorrect.
Practice Test: Civil Engineering (CE)- 12 - Question 24
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A portal frame is loaded as shown. Find the angle θB if it has a sway of 12.5/EI.

(Consider usual sign convention)
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 24
Fixed end moments are zero.

MFAB = MFBA = 0

By slope deflection equation, MAB = MFAB + 2EIL(2θA+θB−3Δ/L)

But the sway is towards left, so Δ is negative, 0 = 2EI/5(θB + 3×12.5/5×EI)

θB = −3×12.5/5×EI

θB = −7.5/EI

Practice Test: Civil Engineering (CE)- 12 - Question 25
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Which of the following statements are true?

1) Slope deflection method is always used for determinate structures.

2) Slope deflection method is the displacement method.

3) Modified slope deflection equation is used when one support is hinged.

4) Superposition cannot be applied in slope deflection equations.
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 25
The statements 2 and 3 are true. Statement 4 is false because the slope deflection method is derived from the superposition method.
Practice Test: Civil Engineering (CE)- 12 - Question 26
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Efflorescence of the cement is due to the excess of
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 26
Efflorescence (white patches on the surface) are due to the excess of alkalis in cement.
Practice Test: Civil Engineering (CE)- 12 - Question 27
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Match the following
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 27
Mild steel is ductile. So, it has an elastic limit point(limit of proportionality).

Cast iron and Concrete are Brittle, but Concrete has less strength than Cast Iron.

Practice Test: Civil Engineering (CE)- 12 - Question 28
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A bar of circular cross-section is clamped at ends P and Q as shown in the figure. A torsional moment T = 150 Nm is applied at a distance of 100mm from end P. The torsional reactions (Tp, T0) in Nm at the ends P and Q respectively are
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 28
Since, G and are constant for bar,

T1L1 = T2L2

T1.100 = T2.200

T1 = 2T2

And, T1 + T2 = T

Hence, T1 = 100 Nm and T2 = 50Nm

Practice Test: Civil Engineering (CE)- 12 - Question 29
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A stepped cantilever is subjected to moments as shown. The vertical deflection at free end is
Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 29
Drawing M/EI diagram

Deflection of free end with respect to fixed end= Moment of M/EI diagram between the ends.

δ = M/EI × 2L × L.

δ = 2ML2/EI

*Answer can only contain numeric values
Practice Test: Civil Engineering (CE)- 12 - Question 30
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A square plate of dimension L × L is subjected to a uniform pressure load p = 250 MPa on its edges as shown in the figure. Assume plane stress conditions. The Young’s modulus E = 200 GPa.

The deformed shape is a square of dimension L = 2δ. If L =2m and δ =0.001 m, the Poisson’s ratio of the plate material is ____.

Detailed Solution for Practice Test: Civil Engineering (CE)- 12 - Question 30

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