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Gate Mock Test Civil Engineering (CE) - GATE MCQ


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30 Questions MCQ Test - Gate Mock Test Civil Engineering (CE)

Gate Mock Test Civil Engineering (CE) for GATE 2024 is part of GATE preparation. The Gate Mock Test Civil Engineering (CE) questions and answers have been prepared according to the GATE exam syllabus.The Gate Mock Test Civil Engineering (CE) MCQs are made for GATE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Gate Mock Test Civil Engineering (CE) below.
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Gate Mock Test Civil Engineering (CE) - Question 1

 is equal to

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 1

 =∛0.5x0.5x0.5 = 0.5

Gate Mock Test Civil Engineering (CE) - Question 2

Natural numbers from 1 to 999 are written in a random manner on a board. Each time 2 numbers are chosen and their product is written on the board after erasing the 2 numbers. After 999 such operations, which of the following is likely to be true?

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 2

There are total 1000 numbers. Each time 2 numbers are erased and replaced with their product, one number is getting reduced. After 999 such operations, 999 numbers would have got erased leaving behind exactly 1 number which means option ‘a’ or ‘b’ or ‘c’.

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Gate Mock Test Civil Engineering (CE) - Question 3

Assume that equal number of people are born each day of the year. If the century under consideration is the 20th century, what is the percentage of people who are born on 29th February?
[Assume no deaths occur during the period under consideration].

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 3

In 20th century i.e. 1901 to 2000, there are 25 leap years.
The total number of people born on 29th February = 25p and the total number of people born in entire 20th century = 36500p + 25p = 36525p; giving the required percentage of people born on 29th February = (25p/36525p) x 100 = 0.0684
Caution: A common error likely to be committed is to divide 25p by 365p which will give the required percentage as 0.0685 which is also one of the choices OR forget to multiply 25p/36525p by 100 getting a value = 0.000684 which also happens to be one of the options.

Gate Mock Test Civil Engineering (CE) - Question 4

Four distinct amounts i.e. Rs. 3000, Rs. 4000, Rs. 6000 and Rs. 7000 are put on deposit on simple interest @ 4%, 6%, 7.5% and 8% per annum - each amount having been put on deposit at a different rate of interest. It is also known that the highest principal amount has not been put on deposit at the lowest rate of interest and vice versa; likewise It is also known that the highest principal amount has not been put on deposit at the highest rate of interest and the lowest principal amount has not been put on deposit at the lowest rate of interest. If the highest principal amount does not earn maximum interest, what is the rate of interest (in %) for Rs.7000

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 4


Based on the table which lists the possible options, we can clearly eliminate options ‘A’, ‘B’ and ‘C’. Rs. 7000 earns maximum interest which violates the given condition.
This leaves option ‘D’ and in this case, Rs. 7000 is not earning highest interest which leads us to the required answer i.e. option ‘d’.

Gate Mock Test Civil Engineering (CE) - Question 5

P and Q are distinct real numbers such that 4 < P < 5 and -9 < Q < -8. Which of the following has the least possible value?

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 5

In order to get the least value, we must choose the most negative value with ODD index AND most positive value for P. This rules out option ‘d’. Now if simply put the most positive and most negative values for P and Q, we end up getting

Option d will be a positive number.
So option a will be the smallest number

Gate Mock Test Civil Engineering (CE) - Question 6

The greatest among the numbers 

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 6

Gate Mock Test Civil Engineering (CE) - Question 7

At what time between 6 a.m. and 7 a.m will the minute hand and hour hand of a clock make an angle closest to 60°?

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 7


As shown in Figure above, at 6:00 a.m. initial angle between minute and hour hand is 180o.As we know that hour hand completes 30° in every hour (60 minutes), so angle moved by hour hand in 1 minute is 30/60. Similarly, minute hand complete 360° in every hour, so angle moved by minute hand in 1 minute is 360/60. Let us assume that after x minutes the angle is 60°. Let us assume that after x minutes the angle is 60°.

Gate Mock Test Civil Engineering (CE) - Question 8

Raja and joseph start from their hostel. The distance covered by Raja in 3 steps is identical to the distance covered by joseph in 4 steps while the time taken by both of them to cover a step is identical. At a particular instance of time when both of them had covered 800 steps each, the distance between them was 300 m. Now, raja cuts down the length of his step by 1/3rd and Joseph increase the length of his step by 20% with time taken to cover a step by both remaining identical. Both will be at the same spot at the same time in _________ more steps.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 8

Let R and J be the length of each step of Raja and Joseph respectively.
We can write the following equations based on the given information:
3R = 4J

Now, the difference in the length of a step of Raja and Joseph = 35 cm with Joseph's step being longer. In order to catch up with Raja who is ahead of him by 300 m, the number of steps required 
= 300/0.35 = 857.14 ≌ 857

*Answer can only contain numeric values
Gate Mock Test Civil Engineering (CE) - Question 9

If f(1) = 1, f’(1) = 2, then  is


Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 9

Applying L’ Hospital’s rule

Gate Mock Test Civil Engineering (CE) - Question 10

In the following question, a sentence is given with a blank to be filled in with appropriate word(s). Four alternatives are suggested for the blank. Choose the correct alternative out of the four.  Wider international attention can be expected _______ continue, potentially exacerbating political polarization at every step.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 10

The preposition ‘to’ indicates concern or likely to concern something or approaching or reaching (a particular condition). In this case, it is the expected attention.
by identifies the agent performing an action.
for as a preposition has multiple contextual
sages, none of which fits here. 
too means to a higher degree than is desirable, permissible, or possible; excessively.  
Hence, the correct answer is option b.

Gate Mock Test Civil Engineering (CE) - Question 11

Direction: In the following question consists of two statements Assertion(A) and Reason(R). You have to read the statements carefully and select the answers to these questions using the options below.
Assertion (A): a material is incompressible if its poissions ratio is 0.5
Reason(R): the bulk modulus K is related to modulus of elasticity E and to poissons ratio as per well known relationship.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 11

Most materials have poissons ratio values ranging between 0 and 0.5. a perfectly incompressible material deformed elastically at small strains would have poissons ration of exactly 0.5 at this value material is incompressible.

Gate Mock Test Civil Engineering (CE) - Question 12

The ground water is pumped through an aquifer having an area of 150 Hectares which has a porosity of 0.4. Specific retention of the medium is 0.25. Find the change in the ground water storage when the water table drops from 15 m to 25 m.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 12

Given,
η = 0.4
γR = 0.25
γS = 0.4 – 0.25 = 0.15
γS = Amount of water drained/Amount of medium
Amount of water drained = 0.15 × 150 × 10 = 225 Ha-m

Gate Mock Test Civil Engineering (CE) - Question 13

Let The only correct statement about the matrix A is 

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 13

Gate Mock Test Civil Engineering (CE) - Question 14

The ultimate load capacity of a 10 m long concrete pile of square cross section 500 mm × 500 mm driven into a homogenous clay layer having undrained cohesion value of 40 kPa is 700 kN. If the cross section of the pile is reduced to 250 mm × 250 mm and the length of the pile is increased to 20m, the ultimate load capacity will be

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 14


Gate Mock Test Civil Engineering (CE) - Question 15

The result of Vee-Bee test is expressed in terms of:

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 15

The main objective of Vee-Bee test is to determine the workability of the freshly mixed concrete.
Vee-bee test carries out the relative effort measurement to change the mass of the concrete from a definite shape to the other. That is, as per the test, from the conical shape to the cylindrical shape by undergoing vibration process. The time required for the complete remolding is a measure of the workability and is expressed in the Vee-Bee seconds.

Gate Mock Test Civil Engineering (CE) - Question 16

A catchment having an area of 150 km2 has the ø index 0.3 cm/hr. The base flow at the outlet is 10m3/s. One hour unit hydrograph of the catchment area is triangular in shape with a time base of 20 hours. The peak ordinate occurs at 8 hours.
The peak ordinate of the unit hydrograph (m3/s/cm) is.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 16

Total depth of rainfall = 1 cm = 0.01 m
Total runoff volume = Area of hydrograph = 1/2 x time base x peak ordinate
0.01 x 150 x 106 = 0.5 x ( 20 x 3600) x peak ordinate
Peak ordinate = 41.66

Gate Mock Test Civil Engineering (CE) - Question 17

The value of 

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 17

Gate Mock Test Civil Engineering (CE) - Question 18

A particular section of steel shaft is subjected to maximum bending stress of 160 MPa and a maximum shear stress equal to 60 MPa. The yield point in tension of the material is 400 MPa. If maximum shear stress theory is used, the FOS will be _____________.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 18

Gate Mock Test Civil Engineering (CE) - Question 19

Match List-I (Item) with List-II (Features) and select the correct codes

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 19

• In project management, a task is an activity that needs to be accomplished within a defined period of time or by a deadline to work towards work-related goals.
• A dummy activity is a simulated activity of sorts, one that is of a zero duration and is created for the sole purpose of demonstrating a specific relationship and path of action on the arrow diagramming method.
• Float, sometimes called slack, is the amount of time an activity, network path, or project can be delayed from the early start without changing the completion date of the project.
• An event is an occurrence or an outcome which is of significance and based on which typically, a business rule can be triggered. For an example, an event could be the start of an activity, end of an activity, non-completion of an activity within a certain timeframe, etc.
So, correct matching are as follows
• Activity - Element Utilizing Resource
• Dummy - Resourceless element
• Float - Spare Time
• Event - Instantaneous point of time
d option is correct!

Gate Mock Test Civil Engineering (CE) - Question 20

Consider a small length of a beam subjected to simple bending. It has two sections AB and CD normal to the axis of the beam N-N. The amount by which the layer increases or decreases in length,

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 20


The axis of the beam is the neutral axis.
The amount by which a layer increases or decreases in length, depends upon the position of the layer w.r.t. N-N.
In the above fig. as we move from top layer to N-N, the length of the layer increases. While moving from bottom layer to N-N, the length of the layer decreases. 

Gate Mock Test Civil Engineering (CE) - Question 21

In a two-dimensional stress analysis, the state of stress at a point is shown below. If σ = 120 MPa and τ = 70 MPa, then σx and σy are respectively. (AB=4, BC=3, AC=5)

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 21

Gate Mock Test Civil Engineering (CE) - Question 22

A steel rod of circular cross-section is to carry a tensile load P = 150 kN. The allowable working stress in shear for the rod is τallowable = 55 MPA. The required diameter for the rod is

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 22

Gate Mock Test Civil Engineering (CE) - Question 23

Match List I and List II and select the correct answer using the codes given below the lists.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 23

Probable maximum flood is the extreme flood that is practically possible in a region as a result of severe most combination.
The standard Project flood results from severe combinations of meteorological and hydrological factors that are reasonably applicable in that region.
According to Gumbel’s distribution, the value of flood with return period of 2.33 years is the mean annual flood.

Gate Mock Test Civil Engineering (CE) - Question 24

The displacement of joint 4 relative to joint 1 along the direction 1-4 of the truss given below. Axial rigidity of all member is AE.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 24

Calculation of K force due to application of unit force in the direction of 1-4.



Gate Mock Test Civil Engineering (CE) - Question 25

The maximum tensile stress at the section X–X shown in the figure below is

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 25

This is a case of combined direct and bending stress


Gate Mock Test Civil Engineering (CE) - Question 26

The variation of rigidity factor for a tyre pressure is stated as:

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 26

The variation of rigidity factor for a tyre pressure is stated as:
<1 for tyre pressure greater than 7 kg/cm2
>1 for tyre pressure less than 7 kg/cm2
=1 for tyre pressure equal to 7 kg/cm2

Gate Mock Test Civil Engineering (CE) - Question 27

Using IRC: 37 - 1984 “Guidelines for the Design of Flexible Pavements” and the following data, choose the total thickness of the pavement.
No. of commercial vehicles when construction is completed= 2723 veh/day
Annual growth rate of the traffic = 5.0%
Design life of the pavement = 10 years
Vehicle damage factor = 2.4
CBE value of the subgrade soil = 5%
Data for 5% CBR value

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 27

Gate Mock Test Civil Engineering (CE) - Question 28

Each of the following items consists of two statements, one labelled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answers to these items using the codes below:
Statement (I): A moving hydraulic jump is called a surge.
Statement (II): The travel of a wave is faster in the upper portion than in the lower portion in case of positive surges.

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 28

A surge in an open channel is a sudden change of flow depth (i.e. abrupt increase or decrease in depth). An abrupt increase in flow depth is called a positive surge while a sudden decrease in depth is termed a negative surge.
So, Statement II is not the correct explanation of the statement I

Gate Mock Test Civil Engineering (CE) - Question 29

A rigid body shown in the Fig(a) has a mass of 10 kg. It rotates with a uniform angular velocity 'ω' A balancing mass of 20 kg is attached as shown in Fig(b) . The percentage increase in mass moment of inertia as a result of this addition is

Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 29

Given: First Mass, mi = 10 kg
Balancing Mass, m2 = 20 kg
We know the mass moment of inertia, I = mk2
Where, k = Radius of gyration
Case (I): When mass of 10 kg is rotates with uniform angular velocity 'ω' 
The moment of inertia I1= m1k12
I1 = 10 x (0.2)2 k1= 200 mm = 0.2 meter
= 10 x 0.04 = 0.4 kg m2
Case (II): When balancing mass of 20 kg is attached then moment of inertia
I2 = 10 x (0.2)2 + 20 x (0.1)2 Here ;Q. = 0.2m
= 0.4 + 0.2 = 0.6 and k2= 0.1m
Percent increase in mass moment of inertia, 

*Answer can only contain numeric values
Gate Mock Test Civil Engineering (CE) - Question 30

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.

The water-cement ratio (in percent, round off to the lower integer) to be used in the mix is________


Detailed Solution for Gate Mock Test Civil Engineering (CE) - Question 30

Here,
fck = 25 ; σ = 4 MPa
and
fm =fck + 1.65σ = 31.6 MPa
Using interpolation

= 46.7

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