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RRB JE CE (CBT II) Mock Test- 4 - Civil Engineering (CE) MCQ


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30 Questions MCQ Test RRB JE Mock Test Series for Civil Engineering (CE) 2025 - RRB JE CE (CBT II) Mock Test- 4

RRB JE CE (CBT II) Mock Test- 4 for Civil Engineering (CE) 2024 is part of RRB JE Mock Test Series for Civil Engineering (CE) 2025 preparation. The RRB JE CE (CBT II) Mock Test- 4 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The RRB JE CE (CBT II) Mock Test- 4 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB JE CE (CBT II) Mock Test- 4 below.
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RRB JE CE (CBT II) Mock Test- 4 - Question 1

Who won the German Tennis Championships in July 2019?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 1
  • Nikoloz Basilashvili emerged victorious after a three-set battle with Andrey Rublev to successfully defend his title at the German Tennis Championships.

  • The reigning champion claimed his 12th straight win in Hamburg 7-5 4-6 6-3.

  • With the win, he has become the first player to win the event in successive years since Roger Federer in 2004-2005.

RRB JE CE (CBT II) Mock Test- 4 - Question 2

Protection of life and personal liberty is given in which article of Indian constitution?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 2

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RRB JE CE (CBT II) Mock Test- 4 - Question 3

In the process of hydration of OPC, to complete all chemical reaction, the water requirement (expressed as the percentage of cement) is __________.

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 3
Approximately 23% water by weight is required for complete hydration and 15% water is entrapped in between the voids of cement. So, the total water required for complete hydration and workability is 38% by weight.
RRB JE CE (CBT II) Mock Test- 4 - Question 4

Maximum bending moment in roof purlins is taken as

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 4

Loads on Purlins are as follows:

Gravity Loads = P kN/m (Dead Load + Live Load)

Wind Loads = w kN/m

Moment for which purlins is designed:

Moment along z−z axis ⇒Mz−z=(w+P cos⁡θ)×(L/10)

Moment along y−y axis ⇒My−y=(P cos⁡θ)×(L2/10)

Converting uniform distributed to total load. For e.g. w × L = W

∴ In general, Maximum bending moment in roof purlins is taken as WL/10.

RRB JE CE (CBT II) Mock Test- 4 - Question 5

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

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 5
Dead-end System:
  • It is also called as a tree system, it consists of one main supply line, from which originates (generally at right angles) a number of sub main pipes. Each submain is then divided into several branch pipes, called laterals.

  • This type of distribution system is suitable for older towns which have developed in a haphazard manner, without properly planned road e.g. old city, irregularly grown city, etc. It is economical and simple.

Gridiron System:

  • It is also known as interlaced system or reticulation system, the mains, sub-mains, and branches are all connected with each other.

  • There is no dead end in the system as looping is provided and is most suitable for well-planned cities. There is equal pressure in all pipe and multiple flow path.

Radial system:

  • If a city or town is having a system of radial roads emerging from different centers, the pipeline can be best laid in a radial method by placing the distribution reservoir at these centers.

  • The water from distribution reservoir is then supplied radially to distribution pipes and thus also known as zonal distribution.

Ring System:

  • It is also called a circular system. In this system, a closed ring, either circular or rectangular, of the main pipes, is formed around the area to be served. The distribution area is divided into rectangular or circular blocks, and the main water pipes are laid on the periphery of the blocks.

  • This system is very suitable for towns and cities having well-planned roads. It is economical and pressure at the ends are reasonably equal.

RRB JE CE (CBT II) Mock Test- 4 - Question 6

Prandtl mixing length for turbulent flow through pipes is

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 6
Prandtl mixing length is the distance between two layers in the transverse direction such that the lumps of fluid particles from one layer could reach the other layer and the particles are mixed in such a way that the momentum of the particles in the direction is conserved.

Prandtl mixing length is zero at the pipe wall as the flow is laminar i.e. negligible velocity fluctuation at the boundary of the pipe wall.

RRB JE CE (CBT II) Mock Test- 4 - Question 7

The volume of water held by a natural stream channel is known as

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 7
i) Bank Storage: When the reservoir is filled, a certain amount of water seeps into the permeable reservoir bank. This water comes out when the reservoir gets depleted. This volume of water is known as bank storage.

ii) Useful storage: The volume of water stored in the reservoir between normal and minimum pool level is called useful storage.

iii) Surcharge Storage: The volume of water stored between the maximum pool and normal pool levels is called surcharge storage.

iv) Valley Storage: Before constructing the dam, a variable amount of water stored in the stream channel is called valley storage.

After construction of the dam, storage increases, and there is a net increase in the storage is equal to the storage capacity of a reservoir minus natural valley storage.

Effective storage for flood mitigation = Useful Storage + Surcharge Storage–Valleys Storage

∴ The volume of water held by a natural stream channel is known as Valley Storage.

RRB JE CE (CBT II) Mock Test- 4 - Question 8

Which of the following is correct regarding the design and location of the window?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 8
Thumb rule for designing and locating suitable window opening are as follows

i) The window area should be 15 – 20 percent of the floor area.

ii) For every 30 m3 internal volume, there should be at least 1 m2 of a window opening.

iii) The windows are located at the height of 0.75 to 0.90 meters from the floor level.

iv) For bathrooms, the level of the windows may be about 2 m above the ground level.

RRB JE CE (CBT II) Mock Test- 4 - Question 9

The length of the gyratory crusher varies from _________

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 9
Crusher is used mainly to reduce the size of large stone or rock to smaller uniform-sized aggregates required for concrete mix.

The different crushers used for the production of aggregates are as follows:

i. Jaw crusher

ii. Gyratory crusher

iii. Cone crusher

iv. Roll crusher

v. Hammer Mill

vi. Road Mill and Ball Mill

The length of gyratory crusher is limited about 20 cm to 200 cm.

RRB JE CE (CBT II) Mock Test- 4 - Question 10

Who is the author of the book named "A Suitable Boy"?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 10
  • Vikram Seth is the author of the book named ‘A Suitable Boy’.

  • The novel revolves around the story of four families over a period of 18 months.

RRB JE CE (CBT II) Mock Test- 4 - Question 11

Which is NOT a cause of water pollution.

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 11
From a practical standpoint, inorganic chemicals are substances of mineral origin that do not contain carbon in their molecular structure and are typically based on the most abundant chemicals on earth: oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium. Hence, inorganic chemicals do not cause water pollution (as per the option given).
RRB JE CE (CBT II) Mock Test- 4 - Question 12

If to, tp and tm are the optimistic, pessimistic and most likely time estimates of an activity respectively, then the expected time ‘t’ of the activity will be:

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 12
The expected completion time (tE)

Variance,

where

t0 = optimistic time

tM = most likely time

tP = pessimistic time

The probable range is from (tE – 3σ) to (tE + 3σ)

RRB JE CE (CBT II) Mock Test- 4 - Question 13

The Pensky-Martens apparatus are used for conducting the test on bitumen for testing –

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 13
Flashpoint: It is the lowest temperature at which the application of a test flame causes the vapors of the binder to catch an instant fire in the form of flash under specified test conditions.

Two types of test apparatus may be used for conducting flash point tests on bitumen, namely the Pensky-Martens Closed Cup Tester and Open Cup Tester.

If the bituminous binder is further heated to a temperature higher than the flashpoint, the binder material itself catches fire and continues to burn, the lowest temperature causing this condition is called the "fire point.”

Fire Point: It is the lowest temperature at which application of a test flame causes the binder material to ignite and burn at least for five seconds under specified test conditions.

Note: The fire point is always higher than the flashpoint of a material.

Pensky-Martens Open Cup Tester is used to determine the fire point of the bituminous binders.

RRB JE CE (CBT II) Mock Test- 4 - Question 14

Appropriate letter size for writing any Notes on a building drawing is _______

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 14
Sizes of Letter for various Letterings in building drawings are as followed

1. For the main title: 6 mm × 6 mm to 12 mm × 12 mm

2. For subtitle and headings: 4 mm × 4 mm to 5 mm × 5 mm

3. Notes, dimensions, Construction Notes, etc: 2 mm × 2 mm to 4 mm × 4 mm

RRB JE CE (CBT II) Mock Test- 4 - Question 15

Consider the following statements:-

Admixtures are added to concrete to–

1. Increase its strength

2. Reduce heat of hydration

3. Delay the setting of cement

4. Reduce the water – cement ratio

Which of the above statements is /are correct?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 15
Admixtures are added to concrete to

1. reduce the water – cement ratio thus to improve the workability of concrete.

2. To delay the setting time of cement.

Note: Admixtures has no direct affect on the strength of concrete

RRB JE CE (CBT II) Mock Test- 4 - Question 16

Assertion (A): The weight of a quantity indicates the relative precision of a quantity within a set of observation.

Reason (R): The weights are generally taken as directly proportional to the variance of the standard errors.

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 16
The weight of observation is a measure of its relative trustworthiness. The more reliable the result, the higher is its weight. The weights of the measurement results are assumed to be inversely proportional to the square of their respective mean square error.
RRB JE CE (CBT II) Mock Test- 4 - Question 17

Worksheets are part of

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 17
  • Microsoft Excel is the electronic spreadsheet program within the Microsoft Office suite.

  • An electronic spreadsheet is an application used to perform numeric calculations and to analyze and present numeric data.

  • In Excel, the electronic spreadsheet is called a worksheet, and it is contained in a file called a workbook, which has the file extension .xlsx

  • Cells are the basic unit for storing data.

  • In any spreadsheet program such as Excel, each rectangular box is referred to as a cell

  • A cell is the intersection point of a column and a row

  • Data entered into an Excel spreadsheet is entered into a cell

  • Each cell can hold only one piece of data at a time

RRB JE CE (CBT II) Mock Test- 4 - Question 18

On which day was the 20th Anniversary of Kargil Vijay Diwas celebrated?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 18
  • The 20th Anniversary of Kargil Vijay Diwas was celebrated on 26 July 2019.

  • The day is named after the successful Operation Vijay in 1999, when India regained control of the high outposts which Pakistan had stealthily taken over.

  • The celebrations of 20th Anniversary of Kargil Vijay Diwas began in Delhi on 14 July 2019.

RRB JE CE (CBT II) Mock Test- 4 - Question 19

Where is the Headquarter of UNCTAD (United Nations Conference on trade and development)?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 19
  • UNCTAD is the principal organ of the UN General Assembly dealing with trade, investment, and development issues.

  • The organization's goals are to "maximize the trade, investment and development opportunities of developing countries and assist them in their efforts to integrate into the world economy on an equitable basis”.

  • The headquarters of the United Nations Conference on Trade and Development is located in the Palace of Nations (United Nations Office at Geneva, Switzerland).

RRB JE CE (CBT II) Mock Test- 4 - Question 20

A solution contains 40 g of common salt in 320 g of water. The concentration in terms of mass by mass percentage of the solution.

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 20
Mass of solute (salt) = 40 g

Mass of solvent (water) = 320 g

We know,

Mass of solution = Mass of solute + Mass of solvent

= 40 g + 320 g

= 360 g

mass percentage of solution mass percentage of solution = (40/360) x 100 = 11.11%

RRB JE CE (CBT II) Mock Test- 4 - Question 21

In the case of angle section lug angles, their attachment to the member should be capable of resisting x% in excess of the force in an outstanding leg of the angle where x is

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 21
Connections between lug angle and outstanding leg of the main tension member are designed to resist

i. 40% excess force than carried by the outstanding leg of main angle section.

ii. 20% excess force than carried by the outstanding leg of the main channel section.

RRB JE CE (CBT II) Mock Test- 4 - Question 22

The camber of the road should be approximately equal to:

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 22
As per IRC, the longitudinal gradient should be twice of camber of road provided.

So, the camber of the road should be approximately equal to half of the longitudinal gradient.

RRB JE CE (CBT II) Mock Test- 4 - Question 23

A man is standing on a boat in still water. If he walks towards the shore, the boat will

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 23
A man is standing on a boat in still water. If he walks towards the shore, the boat will move away from the shore. This is according to Newton’s third law of motion - to every action,a there is equal and opposite reaction.
RRB JE CE (CBT II) Mock Test- 4 - Question 24

Minimum clear cover (in mm) to the main steel bars in a slab, beam, column, and footing respectively are

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 24
Minimum clear cover requirement

1. Slab = 15 mm

2. Beam = 25 mm

3. Column = 40 mm

4. Footings = 75 mm.

RRB JE CE (CBT II) Mock Test- 4 - Question 25

The soil pollutants that affect the food chain and food web by killing microorganisms and plants are

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 25
The soil pollutants that affect the food chain and food web by killing microorganisms and plants are pesticides.

Agricultural waste is waste produced as a result of various agricultural operations. It includes manure and other wastes from farms, poultry houses and slaughterhouses; harvest waste; fertilizer run off from fields; pesticides that enter into the water, air or soils; and salt and silt drained from fields.

A pathogen or infectious agent is a biological agent that causes disease or illness to its host.

RRB JE CE (CBT II) Mock Test- 4 - Question 26

Which of the scaffolding can be used only for maintenance work such as painting, pointing, etc.

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 26
Various types of scaffolding are given below:
  1. Needle scaffolding or Cantilever scaffolding

  2. Suspended scaffolding

  3. Mason’s scaffolding or Double scaffolding

  4. Bricklayer’s scaffolding or Single scaffolding

  5. Trestle scaffolding

  6. Steel scaffolding

  7. Patented scaffolding

Trestle and suspended scaffolding are majorly used for minor works such as painting, pointing, whitewashing, distempering, etc.

RRB JE CE (CBT II) Mock Test- 4 - Question 27

Who was sworn in as the 29th Governor of Bihar in July 2019?

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 27
  • phagu Chauhan, a six-time member of the Uttar Pradesh Assembly, was sworn in as the 29th Governor of Bihar on 29 July 2019.

  • He was administered the oath of office by Chief Justice of Patna High Court Amreshwar Pratap Shahi at the Raj Bhavan in Patna.

  • Chief Minister Nitish Kumar, Deputy Chief Minister Sushil Kumar Modi and several other leaders were present during the ceremony.

RRB JE CE (CBT II) Mock Test- 4 - Question 28

As per IS:456 the value of strain at outermost tension fiber is _____

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 28
The following are the assumptions of the design of flexural members employing limited state of collapse

(i) Plane sections normal to the axis remain plane after bending.

(ii) The maximum strain in concrete at the outermost compression fibre is taken as 0.0035 in bending.

(iii) The acceptable stress-strain curve of concrete is assumed to be parabolic, as shown in the figure below:

(iv) The tensile strength of concrete is ignored.

(v) The design stresses of the reinforcement are derived from the representative stress-strain curves as shown in the figure below:

Partial safety factors for steel and concrete should be considered as 1.15 and 1.5, respectively.

(vi) The maximum strain in the tension reinforcement in the section at failure shall not be less than (fy/1.15Es )+0.002,

where fy is the characteristic strength of steel and Es = modulus of elasticity of steel.

RRB JE CE (CBT II) Mock Test- 4 - Question 29

A prismatic member with an area of cross-section ‘A’ is subjected to a tensile load ‘P,’ then the maximum shear stress and its inclination with the direction of load, respectively are-

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 29
Normal stress in the direction of load =PA

In the case of uniaxial stress, maximum principal stress σ1 and minimum principal stress σ2 will be PA and zero, respectively.

Maximum shear stress (\tau)

Plane of maximum shear stress,

tan⁡2θ=∞,⇒θ=45

∴ The maximum shear stress and its inclination with the direction of load, respectively, are P/2A and 45°.

RRB JE CE (CBT II) Mock Test- 4 - Question 30

Reciprocal levelling eliminates:-

Detailed Solution for RRB JE CE (CBT II) Mock Test- 4 - Question 30

Reciprocal levelling

Reciprocal levelling is adopted to accurately determine the level difference between two points which are separated by obstacles like a river, ponds, lakes, etc.

It eliminates the following errors:

  • error in instrument adjustments i.e error due to collimation
  • the combined effect of Earth's curvature and the refraction of the atmosphere
  • variation in the average refraction
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