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Objective Questions

Latest IOCL JE Civil Exam Question (Objective Questions), MCQ in English

Subjects : Domain Knowledge, Quantitative Aptitude, Logical Reasoning, Verbal Ability of English Language

Question Bank IOCL Junior Engineer (Civil) Exam - English
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Domain Knowledge

Question 1Single Answer
What will be the depth of penetration of the plunger in Vicat Apparatus (IS : 5513 - 1976) from the bottom of the Vicat Mould, when the cement paste is tested for standard consistency, according to IS 4031 – 1988 ?
  1. A
    11 to 15 mm
  2. B
    8 to 10 mm
  3. C
    15 to 17 mm
  4. D
    5 to 7 mm
Question 2Single Answer
Two sewer pipelines A and B (having the same diameter and made of the same material) are laid at a bed slope of 1 in 225 and 1 in 625, respectively. Determine the ratio of their carrying capacities (QA to QB) .
  1. A
  2. B
  3. C
    1
  4. D
Question 3Single Answer
Select the correct statement with respect to an over - reinforced cement concrete section under the working stress method .
  1. A
    The compressive stress in steel reaches the allowable limit before the maximum tensile stress in concrete reaches the allowable limit
  2. B
    Tensile steel stress and maximum compressive stress in concrete simultaneously reach their allowable limits
  3. C
    The allowable limiting stress is reached in concrete before the steel stress reaches the limiting value
  4. D
    The tensile stress in steel reaches the allowable limit before the maximum compressive stress in concrete reaches the allowable limit
Question 4Single Answer
A cantilever beam of span L is built - in at the support. It is restrained against lateral deflection and torsion at the free end. The effective length of compression flange for the beam as per IS 800 : 2007 is
  1. A
    0.5 L
  2. B
    0.85 L
  3. C
    2 L
  4. D
    0.75 L
Question 5Single Answer
What is the principle of plane surveying ?
  1. A
    Working from part to whole
  2. B
    Working from point to area
  3. C
    Working from angle to volume
  4. D
    Working from whole to part
Question 6Single Answer
According is IS 5968 : 1987, the minimum radius of radius of curve to be provided in the alignment of unlined canals carrying a discharge of less than 30 cumecs up to 15 cumecs is :
  1. A
    100 m
  2. B
    1000 m
  3. C
    600 m
  4. D
    150 m
Question 7Single Answer
A Pelton wheel is to be designed for a pitch diameter of 1 m and jet diameter of 0.1 m. The number of buckets on the runner computed by Taygun’s formula is :
  1. A
    20
  2. B
    25
  3. C
    15
  4. D
    10
Question 8Single Answer
What is the effect of fly ash in concrete ?
  1. A
    Reduces the secondary hydration process
  2. B
    Increases the heat of hydration
  3. C
    Increases the amount of air entrainment
  4. D
    Reduces the heat of hydration
Question 9Single Answer
As per IS 456 : 2000, the minimum grade of concrete to be used for plain concrete and reinforced concrete, respectively, in concrete works exposed directly along the sea coast are :
  1. A
    M 20 and M 30
  2. B
    M 20 and M 25
  3. C
    M 22 and M 40
  4. D
    M 15 and M 25
Question 10Single Answer
Identify the property that changes as a function of the geometrical dimensions of a section in structural materials :
  1. A
    Mass density
  2. B
    Moment of inertia
  3. C
    Poission’s ratio
  4. D
    Modulus of elasticity
Question 11Single Answer
What is the primary focus of kinematics in dynamics?
  1. A
    Forces causing motion
  2. B
    Motion without forces
  3. C
    Energy conservation
  4. D
    Momentum transfer
Question 12Single Answer
What is the primary purpose of evaluating bearing capacity in foundation design?
  1. A
    Ensure soil can support loads without failure
  2. B
    Minimize construction cost
  3. C
    Increase settlement
  4. D
    Enhance aesthetic appeal
Question 13Single Answer
Which bearing capacity theory is commonly used for shallow foundations?
  1. A
    Terzaghi’s theory
  2. B
    Rankine’s theory
  3. C
    Coulomb’s theory
  4. D
    Taylor’s theory
Question 14Single Answer
What field test is commonly used to estimate bearing capacity?
  1. A
    Standard Penetration Test (SPT)
  2. B
    Proctor test
  3. C
    Consolidation test
  4. D
    Triaxial test
Question 15Single Answer
What is the factor of safety for allowable bearing capacity?
  1. A
    2.5 to 3
  2. B
    1.5 to 2
  3. C
    4 to 5
  4. D
    1 to 1.5
Question 16Single Answer
What is immediate settlement in foundation design?
  1. A
    Elastic settlement occurring instantly
  2. B
    Settlement due to consolidation
  3. C
    Settlement due to shear failure
  4. D
    Settlement due to compaction
Question 17Single Answer
What is the allowable settlement for isolated footings on clay?
  1. A
    75 mm
  2. B
    50 mm
  3. C
    25 mm
  4. D
    100 mm
Question 18Single Answer
What is the allowable settlement for isolated footings on sand?
  1. A
    50 mm
  2. B
    75 mm
  3. C
    25 mm
  4. D
    100 mm
Question 19Single Answer
What is the primary purpose of proportioning shallow foundations?
  1. A
    Ensure uniform load distribution and stability
  2. B
    Minimize material usage
  3. C
    Increase settlement
  4. D
    Enhance aesthetic appeal
Question 20Single Answer
What is an isolated footing used for?
  1. A
    Support single column loads
  2. B
    Support multiple columns
  3. C
    Distribute load over large area
  4. D
    Support bridge piers
Question 21Single Answer
What is the primary property of a fluid?
  1. A
    Inability to resist shear stress
  2. B
    High compressive strength
  3. C
    Fixed shape
  4. D
    High rigidity
Question 22Single Answer
What is the specific gravity of a fluid?
  1. A
    Ratio of fluid density to water density
  2. B
    Ratio of fluid viscosity to water viscosity
  3. C
    Ratio of fluid pressure to water pressure
  4. D
    Ratio of fluid volume to water volume
Question 23Single Answer
What is the total pressure force on a vertical plane surface submerged in a fluid?
  1. A
    F = p g h_c A
  2. B
    F = p g A
  3. C
    F = p h_c A
  4. D
    F = p g h_c / A
Question 24Single Answer
Where is the center of pressure located for a vertical plane surface?
  1. A
    Below the centroid
  2. B
    At the centroid
  3. C
    Above the centroid
  4. D
    At the surface
Question 25Single Answer
What is the force on a curved surface submerged in a fluid?
  1. A
    Sum of horizontal and vertical components
  2. B
    Horizontal component only
  3. C
    Vertical component only
  4. D
    No force
Question 26Single Answer
What is fluid kinematics concerned with?
  1. A
    Motion of fluid without considering forces
  2. B
    Forces causing fluid motion
  3. C
    Fluid properties at rest
  4. D
    Energy transfer in fluids
Question 27Single Answer
What is a streamline in fluid flow?
  1. A
    Path traced by a fluid particle tangent to velocity
  2. B
    Path perpendicular to velocity
  3. C
    Path of constant pressure
  4. D
    Path of constant density
Question 28Single Answer
What is the condition for irrotational flow?
  1. A
    Zero vorticity
  2. B
    Constant velocity
  3. C
    Zero velocity
  4. D
    Constant pressure
Question 29Single Answer
What is the velocity potential in fluid flow?
  1. A
    Scalar function whose gradient gives velocity
  2. B
    Vector function of pressure
  3. C
    Scalar function of density
  4. D
    Vector function of vorticity
Question 30Single Answer
What is the stream function used for?
  1. A
    Represent two-dimensional incompressible flow
  2. B
    Calculate pressure distribution
  3. C
    Measure vorticity
  4. D
    Determine fluid density
Question 31Single Answer
What is runoff in hydrology defined as?
  1. A
    Water that infiltrates into the ground
  2. B
    Water that flows over the surface into streams
  3. C
    Water stored in reservoirs
  4. D
    Water evaporated from the surface
Question 32Single Answer
Which factor most significantly affects runoff estimation?
  1. A
    Soil permeability
  2. B
    Air temperature
  3. C
    Wind speed
  4. D
    Cloud cover
Question 33Single Answer
What is the primary purpose of runoff estimation in hydrology?
  1. A
    Determine groundwater recharge
  2. B
    Design hydraulic structures
  3. C
    Measure evaporation rates
  4. D
    Calculate soil moisture
Question 34Single Answer
Which method is commonly used for runoff estimation in small catchments?
  1. A
    Rational method
  2. B
    Unit hydrograph method
  3. C
    SCS curve number method
  4. D
    Muskingum method
Question 35Single Answer
What is the primary source of runoff in a catchment?
  1. A
    Groundwater flow
  2. B
    Precipitation
  3. C
    Evapotranspiration
  4. D
    Infiltration
Question 36Single Answer
Which soil type produces the highest runoff?
  1. A
    Sandy soil
  2. B
    Loamy soil
  3. C
    Clayey soil
  4. D
    Gravelly soil
Question 37Single Answer
What is the effect of urbanization on runoff?
  1. A
    Decreases runoff
  2. B
    Increases runoff
  3. C
    No effect
  4. D
    Reduces infiltration
Question 38Single Answer
Which parameter is critical for the Rational method of runoff estimation?
  1. A
    Time of concentration
  2. B
    Base flow
  3. C
    Evaporation rate
  4. D
    Groundwater storage
Question 39Single Answer
What is the primary purpose of the SCS curve number method?
  1. A
    Estimate peak discharge
  2. B
    Calculate direct runoff
  3. C
    Measure base flow
  4. D
    Analyze evaporation
Question 40Single Answer
What is the effect of vegetation cover on runoff?
  1. A
    Increases runoff
  2. B
    Decreases runoff
  3. C
    No effect
  4. D
    Increases evaporation
Question 41Single Answer
What is the degree of kinematic indeterminacy for a simply supported beam with an internal hinge?
  1. A
    1
  2. B
    2
  3. C
    3
  4. D
    4
Question 42Single Answer
What is the primary structural behavior of a frame under vertical loads?
  1. A
    Axial deformation
  2. B
    Bending deformation
  3. C
    Shear deformation
  4. D
    Torsional deformation
Question 43Single Answer
How many plastic hinges are required for collapse in a portal frame with fixed supports?
  1. A
    2
  2. B
    3
  3. C
    4
  4. D
    5
Question 44Single Answer
What is the effect of a point load at the crown of a three-hinged arch?
  1. A
    Increases horizontal thrust
  2. B
    Decreases horizontal thrust
  3. C
    No horizontal thrust
  4. D
    Causes shear failure
Question 45Single Answer
What is the purpose of special positional reinforcement in a reinforced concrete frame near joints?
  1. A
    Resist bending moment
  2. B
    Prevent shear failure
  3. C
    Increase compressive strength
  4. D
    Enhance aesthetic appeal
Question 46Single Answer
If (A=\begin{bmatrix}2&1\4&2\end{bmatrix}), what is the rank of matrix (A)?
  1. A
    0
  2. B
    1
  3. C
    2
  4. D
    3
Question 47Single Answer
What is the determinant of the matrix (\begin{bmatrix}3&5\2&7\end{bmatrix})?
  1. A
    19
  2. B
    21
  3. C
    17
  4. D
    11
Question 48Single Answer
A square matrix is invertible if and only if?
  1. A
    Its determinant is zero
  2. B
    Its trace is zero
  3. C
    It is symmetric
  4. D
    Its determinant is non-zero
Question 49Single Answer
The eigenvalues of the identity matrix of order 4 are?
  1. A
    0, 0, 0, 0
  2. B
    1, 1, 1, 1
  3. C
    4, 4, 4, 4
  4. D
    −1, −1, −1, −1
Question 50Single Answer
If the trace of a 3×3 matrix is 12 and two eigenvalues are 2 and 5, what is the third eigenvalue?
  1. A
    3
  2. B
    4
  3. C
    7
  4. D
    5
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