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Practice Test: Civil Engineering (CE)- 2 - Civil Engineering (CE) MCQ


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30 Questions MCQ Test - Practice Test: Civil Engineering (CE)- 2

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Practice Test: Civil Engineering (CE)- 2 - Question 1

Which of the following states the meaning of the idiom ‘Into the bargain’?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 1
‘Into the bargain’ has the meaning‘ in addition to what has already been mentioned or was expected’.
Practice Test: Civil Engineering (CE)- 2 - Question 2

Direction: Find the correct relationship between the given quantities-

Quantity I: Let E be the set of all integers with 6 in their unit place. The probability that a number chosen from the set {10, 11, 12, ........59} is a member of E is?

Quantity II: A boy speaks truth in 70% of cases while another boy speaks truth in 65% cases. The probability that they will contradict each other on stating the same fact is?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 2
Quantity I: The sample space is n(s) = 50

The favourable outcomes are {16, 26, 36, 46, 56} i.e. 5

Probability = 5/50 = 0.1

Quantity II: Boy 1 speaks truth in 70% cases so 70/100 = 7/10 and

Boy 2: 65/100 = 13/20

Boy 2 does not speak truth in 35/100 cases i.e. 7/20

Probability = p (A')×p (B) +p (A)×p (B’)

[7×7/ (10×20)]+ [3×13/ (10×20)]

= 0.44

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Practice Test: Civil Engineering (CE)- 2 - Question 3

A square metallic sheet of an area of 1296 square cm is used for making the toys. For taking the metallic sheet from that square – four equal sized circular plates have been cut –off. If a fencing with the Silver thread is required to make the base of toys, how many rolls of the thread is required, if a roll contains 30 cm of the thread only?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 3
Side × Side = 1296

⇒ Side = 36

Radius of each circular plate = ¼ of 36 = 9 cm

Circumference of each plate = 2 π 9 = 56.57 cm

Total Circumference = 4 ×56.57 = 226.29 cm

No. of rolls = 226.29/30 = 7.54 = 8 rolls

Practice Test: Civil Engineering (CE)- 2 - Question 4

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

I suppose no place is more (1)/ better than (2)/ home on Christmas. (3)/ No error (4)

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 4
The error is in part (1) of the sentence. The use of "better" signifies that the sentence is of comparative degree. So, the use of "more" is incorrect here as it is redundant to be used with "better". So, remove "more".
Practice Test: Civil Engineering (CE)- 2 - Question 5

Direction: Read the pie chart given below and answer the following questions-

The pie chart given shows the population of India in the 7 states considering there are no other states apart from these.

Q. How much percent more is the population of UP than that of Odisha?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 5
Population of UP more than Odisha = 63⁰- 36⁰ = 27⁰,

Now for percentage we have to calculate how much more the population is in UP with respect to Odisha. So,

% more= (27⁰×100)/ 36⁰

= 75%

Practice Test: Civil Engineering (CE)- 2 - Question 6

In a class test, A scored 51 marks. The test had 4 sections. In the second section, A scored 7 marks more than in the first section, and in the third section, A scored 7 marks more than in the second section. If A did not score at all in the fourth section, how much did A score in the second section?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 6

If A scored x marks in section 2, he scored (x-7) marks in section 1 and (x+7) marks in section 3.

∴ (x-7) + x + (x+7) + 0 = 51

∴ 3x = 51

∴ x = 17

Hence, option is d.

Practice Test: Civil Engineering (CE)- 2 - Question 7

Direction: Study the information carefully and answer the questions given below.

P is standing north of Q at a distance of 6m. R is standing toward east of P at a distance of 6m. R is to the north of S and the distance between them is 6m. P is facing north direction, R is facing east, S is facing North and Q is facing towards west direction. All of them walk straight for 3m.

Q. What is the distance between the final position of P and Q?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 7

Let T be the final position of P and L be the final position of Q.

Now LT = √(32 + 92) = √(9 + 81) = √ 90 = 3√10m

Practice Test: Civil Engineering (CE)- 2 - Question 8

In the following question, a statement has been given followed by two arguments numbered I and II. Based on the argument, you have to decide which of the following arguments is strong and which is a weak argument.

Statement: Shiva trilogy written by Amish Tripathi is the best fiction book.

Arguments

I. Yes, None other fiction books have three parts.

II. No, the best fiction book is subjective and it always differs from person to person.

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 8

Best fiction book or novel is a subjective thing and differs from person to person. Hence, the second argument is strong.

Practice Test: Civil Engineering (CE)- 2 - Question 9

In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

If this be overlooked, a wrong (1)/ impression may be derived as (2)/ to the most absolute amplitudes of the changes. (3)/ No error (4)

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 9

The degree adjective ‘most’ can’t be used with absolute as absolute itself means complete or total. So remove most to make the sentence correct. Hence option C would be the correct answer.

Practice Test: Civil Engineering (CE)- 2 - Question 10

Direction: Following bar graphs show time taken by different pipes to fill that particular percentage of tank which is described in tabular data. For Ex- Pipe 1 fills the 10 % of the tank in 6 mins.

Now, read the following data and answer the question carefully:

A Tank has three pipes; two of them are used to fil the tank while another one used to empty the tank namely: pipe 3, pipe 5 to fill the tank and a new third pipe for making the tank empty. When all three pipes are open, 7/18th part of the tank is filled in 1 hours. What is the ratio of the efficiency of Pipe-3: Pipe 5: all three pipes working together.

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 10

Part of work in one hour =

(P3+P5+Third pipE. X 1 = 7/18th part of work

⇒ 7/18th part of work = 1 hr

⇒ Total work done = 18/7 hr by all three pipes

Pipe 3 does 50% of work in 90 mins

100 % of work = 90/50 * 100 = 180 mins = 3 hr

Pipe 5 does 50% of work in 60 mins

100 % of work = 60/50 * 100 = 120 mins = 2 hr

Time Tw Efficiency

Pipe -3 = 3 hr Total work

Pipe-5 = 2 hr Total work

All three = 18/7 hr Total work

Hence efficiency ratio: 6: 9: 7.

Practice Test: Civil Engineering (CE)- 2 - Question 11

For a complex number z, find the value of 

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 11

Practice Test: Civil Engineering (CE)- 2 - Question 12

The velocity potential for a two-dimensional flow is given by ϕ = x2-y2+3xy. The flow rate between the streamlines passing through points (1, 2) and (2, 3) is

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 12

ϕ = x2 - y2 + 3xy

⇒ ∂ϕ/∂x = u = 2x + 3y = ∂ψ/∂y

⇒ ψ = 2xy + 3/2y2 + f(x).... (1)

and,

- ∂ϕ/∂y = V = -2y + 3X = -∂ψ/∂x ...(ii)

And from (1)

-∂ψ/∂x = 2y-f'(x) = -2y+3x

⇒ f'(x) = -3x

⇒ f'(x) = -3/2x2

The required stream function is

ψ = 2xy- 3/2 (x2-y2)

At point (2,3);

ψ2 = 2×2×3-32(22-32)

= 12 - 3/2(-5) = 12+7.5 = 19.5 units

Flow rate between the streamlines passing through (1, 2) and (2, 3)

∆ψ = ψ2 - ψ1

= 19.5-8.5 = 11 units.

Practice Test: Civil Engineering (CE)- 2 - Question 13

A velocity field is given as where x and y are in metres. The acceleration(magnitude) of a fluid particle at (x, y) = (1, 1) is ___.

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 13

Practice Test: Civil Engineering (CE)- 2 - Question 14

The matrix A is 3 × 3 matrix, if the matrix is a singular matrix then which of the following statement is true;

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 14
For singular matrix, the determinant of matrix is zero

Also product of eigen values = det(matrix)

∴ product of eigen values will be zero, if at least one eigen value is zero.

Practice Test: Civil Engineering (CE)- 2 - Question 15

Consider the following function.

F(x) = (1/3)x3 + (1/2)x2 - 6x + 1000

Find the value at which f has a relative minimum.

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 15
f(x) = (1/3)x3 + (1/2)x2 - 6x+1000;

f'(x) = x2+ x - 6 ⇒ x = -3.2

f''(x) = 2x+1

f''(-3) = 2(-2)+1 = -5<0

f''(2) = 2×2+1 = 5>0

⇒ f has relative maximum at x = -3

⇒ f has relative minimum at x = 2

Practice Test: Civil Engineering (CE)- 2 - Question 16

Over 1500 students appeared for the exam. The entrance exam has 100 multiple choice questions, each carrying 1 mark. Each question has 4 options. Due to negative marking, every incorrect choice gets –0.33 marks. Suppose 800 students choose all their answers randomly keeping uniform probability. The expected marks for 100 questions is

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 16
The probability distribution for X is given below

Expected marks for one question, E(X) = ∑ X P (X)

= 1(0.25) + (-0.33)(0.75)

E(X) = 0.0025

Expected marks for 100 questions = 100 × 0.0025 = 0.25

Practice Test: Civil Engineering (CE)- 2 - Question 17

Given a vector field , the one integral ∫F.dl evaluated along a segment on the x-axis from x = 1 to x = 2 is

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 17
To find along a segment on the x-axis from x = 1 to x = 2.

i.e., y = 0, z = 0, dy = 0 and dz = 0

Putting,y = 0,z = 0, dy = 0 and dz = 0

We get,

∫F→.d→l = 0.

Practice Test: Civil Engineering (CE)- 2 - Question 18

Match the following:

Group–I

P Rainfall intensity

Q Rainfall excess

R Rainfall averaging

S Mass curve

Group–II

1. Isohyets

2. Cumulative rainfall

3. Hyetograph

4. Direct runoff hydrograph

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 18
A. Rainfall intensity versus time provided by Hyetograph.

B. Rainfall excess – Provides the direct run-off hydrograph over the infiltration index.

C. Rainfall average – Isohyets provides the time on the map having equal rainfall depth and used to measure the average rainfall over an catchment.

D. Mass curve – Anything which is cumulative is known as mass curve and cumulative rainfall is denoted by mass curve.

Practice Test: Civil Engineering (CE)- 2 - Question 19

An L = beam is shown in the figure below and is subjected to a factored shear force of 200 kN.

Design shear strength of concrete, τc, for M20 grade of concrete is as given below in the table

Use Fe415 steel

The design shear stress for vertical stirrups is ____ N/mm2.

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 19
Given data, Width of web = 300 mm

Effective depth = 120 + 300 – 40 = 380 mm

Percentage of tension steel,

From table of design shear strength,

= 0.69 N / mm2

Nominal shear stress,

Design shear stress,

τus = 1.75-0.69 = 1.06N/mm2.

Practice Test: Civil Engineering (CE)- 2 - Question 20

A layer of a beam at a distance y from the neutral layer is considered. If the beam is subjected to simple bending, and the radius of neutral is constant. Which of the following is correct?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 20
Strain in a layer = Increase in length / original length = y/R

Since R = radius of neutral axis, is constant

Bending strain proportional to its distance to the neutral axis is assumption and it is applicable to thin beams, i.e. where the strain from shear can be ignored.

Practice Test: Civil Engineering (CE)- 2 - Question 21

Which assumptions are incorrect in column theory?

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 21
Column buckling consists of finding maximum load on columns which support before it collapses. Its key feature is the comparison of internal bending moment arising from the internal stress distribution to the external bending moment resulting from the load applied to the column. The length of the column is very large as compared to the cross-sectional dimensions of the column.
Practice Test: Civil Engineering (CE)- 2 - Question 22

The value of P that results in the collapse of the beam shown in the figure below and having plastic moment capacity of MP is

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 22
Number of possible hinges, n = 2

Statical indeterminacy, r = 1

Number of independent mechanisms,

I = n – r

= 2 – 1 = 1

∆ = 10 θ = 5ϕ

By principle of virtual work, we get

∆ × P - Mpθ - Mp(θ + ϕ) = 0

⇒ P × 10θ = 2Mpθ + Mpθ

⇒ P × 10θ = 2Mp + Mp × 10θ/5

⇒ 10P = 2Mp + 2Mp

∴ P = 0.42 Mp

Practice Test: Civil Engineering (CE)- 2 - Question 23

In order to determine the relative density of a sand sample, its natural moisture content and bulk density were determined in the field and were found to be 7% and 1.61 g/cc respectively. Sample of this soil was then commented in a Proctor’s mould of 943.89 cc capacity at the loosest and the densest states. The following data were obtained:

1) Weight of empty mould = 2100 g

2) Weight of mould + soil in the loosest state = 3363.6 g

3) Weight of mould + soil in the densest state = 3857.4 g

4) Moisture content of the sample used in tests = 11%

Q. The relative density of sand is ______%.

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 23
In the loosest state

In-situ density of the soil = 1.61 g/cc

W = 7%

∴ In-situ dry density,

Practice Test: Civil Engineering (CE)- 2 - Question 24

A city has a population of 10, 00,000. Average water consumption of the people is 270 lpcd, then the maximum hourly demand in MLD is

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 24
Average daily demand (Qavg)=Population × Per capita water demand

= 10,00,000 × 270 = 270 MLD = 270/24= 11.25 ML per hour

(Qmax)hourly= Qavg × 2.7=270 × 2.7=729 MLD

Maximum hourly demand = 2.7 x Average Hourly Demand

= 2.7 x 11.25 ML per hour = 30.375 ML per hour= 30.375 x 24 MLD

= 729 MLD

Practice Test: Civil Engineering (CE)- 2 - Question 25

If the sensitivity of the bubble tube of a level is 30" of arc per division, then the distance of a point at which the combined curvature and refraction corrections become numerically equal to the error induced by dishevelment of one division of the level tube (in m) is

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 25
Sensitivity, ϕ = (s × 206265)/(L×n);

Where s, n and L combined curvature and refraction correction, no. of division of the level tube and distance of point under observation respectively.

Correction due to combined curvature and refraction

C = - 0.0673 L2 , where L is in km …(ii)

From equation (i) and (ii),

∴ L = 2161.13 m

Practice Test: Civil Engineering (CE)- 2 - Question 26

On a plate u = 1/3 y - y2/6, where u is in m/sec & y is in m & μ of fluid = 0.5 Ns/m2. Shear stress at 0.4 m above plate and 0.4 m above plate are in ratio

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 26

*Answer can only contain numeric values
Practice Test: Civil Engineering (CE)- 2 - Question 27

The data given below pertain to the design of a flexible pavement.

Initial traffic = 1350 cvpd

Traffic growth rate = 7% per annum

Design life = 15 years

Vehicle damage factor = 2.50

Distribution factor = 1.05

The design traffic in terms of Million standard axles (MSA) to be catered would be.


Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 27

Practice Test: Civil Engineering (CE)- 2 - Question 28

What will be the population equivalent for an industrial sewage daily disposal of 50,000 litres with suspended solid content of 220 mg/lit, considering the per capita contribution as 69 gm.

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 28
Total solids produced by the Industry/day = (50000 x 220)/1000 =11,000 gm

Population equivalent = 11,000/69

= 159.

Practice Test: Civil Engineering (CE)- 2 - Question 29

A centrifugal pump will start delivering the liquid only when

Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 29
A centrifugal pump will start delivering the liquid only when the head developed tends to exceed the manometric head.
*Answer can only contain numeric values
Practice Test: Civil Engineering (CE)- 2 - Question 30

On an urban road, the free mean speed was measured as 70 kmph and the average spacing between the vehicles under jam condition as 7.0 m. The speed-flow -density equation is given by

U = Usf[1 − k/kj] and q = Uk

Where U = space-mean speed (kmph); Usf = free mean speed (kmph); k = density (veh/km); kj = jam density (veh/km); q = flow (veh/hr). The maximum flow (veh/hr) per lane for this condition is equal to


Detailed Solution for Practice Test: Civil Engineering (CE)- 2 - Question 30
kj = 1000s = 1000/7 = 142.86veh/km

qmax = vsfkj/4 = 70 × 142.864 = 2500veh/hr

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