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Objective Questions

Latest NHSRCL Deputy Engineer Exam Question (Objective Questions), MCQ in English

Subjects : Domain Knowledge, Quantitative Aptitude, Logical Reasoning, General Knowledge & English

Question Bank NHSRCL Deputy Engineer (Civil/Track) Exam - English
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Domain Knowledge

Question 1Single Answer
Which physical quantity is completely specified by both magnitude and direction?
  1. A
    Force
  2. B
    Work
  3. C
    Mass
  4. D
    Energy
Question 2Single Answer
The process of replacing a force by two or more component forces having the same external effect is called?
  1. A
    Composition
  2. B
    Resolution
  3. C
    Equilibrium
  4. D
    Translation
Question 3Single Answer
Which law is commonly used to determine the resultant of two concurrent forces?
  1. A
    Hooke's law
  2. B
    Coulomb's law
  3. C
    Parallelogram law
  4. D
    Newton's third law
Question 4Single Answer
The moment of a force about a point equals the force multiplied by which distance?
  1. A
    Horizontal distance
  2. B
    Vertical distance
  3. C
    Distance parallel to the force
  4. D
    Perpendicular distance from the point to the line of action
Question 5Single Answer
What is the SI unit of moment of force?
  1. A
    N/m
  2. B
    N/m²
  3. C
    N·m
  4. D
    kg·m
Question 6Single Answer
According to Varignon's theorem, the moment of the resultant about a point is equal to what?
  1. A
    Product of component moments
  2. B
    Average of component moments
  3. C
    Algebraic sum of moments of component forces
  4. D
    Difference between the largest and smallest moments
Question 7Single Answer
A couple is formed by two forces that are?
  1. A
    Equal and concurrent
  2. B
    Equal, parallel and opposite
  3. C
    Unequal and parallel
  4. D
    Perpendicular and equal
Question 8Single Answer
What is the resultant force of a pure couple?
  1. A
    Zero
  2. B
    Twice either force
  3. C
    Equal to either force
  4. D
    Infinite
Question 9Single Answer
The moment of a couple is equal to the product of one force and what?
  1. A
    Distance from origin
  2. B
    Radius of gyration
  3. C
    Couple arm
  4. D
    Centroidal distance
Question 10Single Answer
Forces whose lines of action meet at one common point are called?
  1. A
    Parallel forces
  2. B
    Non-coplanar forces
  3. C
    Concurrent forces
  4. D
    Couple forces
Question 11Single Answer
Forces acting in the same plane constitute which force system?
  1. A
    Non-coplanar force system
  2. B
    Spatial force system
  3. C
    Coplanar force system
  4. D
    Three-dimensional force system only
Question 12Single Answer
For equilibrium of a coplanar concurrent force system, which conditions must be satisfied?
  1. A
    ΣFx = 1 and ΣFy = 1
  2. B
    ΣFx = 0 and ΣFy = 0
  3. C
    ΣM = 1 only
  4. D
    ΣFx = ΣFy
Question 13Single Answer
Which additional equilibrium condition is required for a general coplanar non-concurrent force system?
  1. A
    ΣF = 1
  2. B
    ΣFx = ΣFy
  3. C
    ΣM = 1
  4. D
    ΣM = 0
Question 14Single Answer
Lami's theorem is applicable to a body in equilibrium under how many coplanar concurrent non-parallel forces?
  1. A
    Two
  2. B
    Five
  3. C
    Four
  4. D
    Three
Question 15Single Answer
The resultant of two equal forces acting in opposite directions along the same line is?
  1. A
    Equal to one force
  2. B
    Twice one force
  3. C
    Half of one force
  4. D
    Zero
Question 16Single Answer
Which diagram represents an isolated body along with all external forces acting on it?
  1. A
    Stress diagram
  2. B
    Free-body diagram
  3. C
    Bending diagram
  4. D
    Influence diagram
Question 17Single Answer
Friction acts in which direction relative to impending or actual motion?
  1. A
    Same direction
  2. B
    Perpendicular direction
  3. C
    Opposite direction
  4. D
    Random direction
Question 18Single Answer
Limiting friction is directly proportional to which quantity?
  1. A
    Applied moment
  2. B
    Normal reaction
  3. C
    Area of contact
  4. D
    Velocity
Question 19Single Answer
The ratio of limiting friction to normal reaction is called?
  1. A
    Mechanical advantage
  2. B
    Velocity ratio
  3. C
    Coefficient of friction
  4. D
    Efficiency
Question 20Single Answer
The tangent of the angle of friction is equal to what?
  1. A
    Mechanical advantage
  2. B
    Efficiency
  3. C
    Velocity ratio
  4. D
    Coefficient of friction
Question 21Single Answer
The angle of repose is equal to which angle under limiting equilibrium?
  1. A
    Angle of friction
  2. B
    Angle of projection
  3. C
    Angle of deviation
  4. D
    Complementary angle
Question 22Single Answer
Compared with limiting friction, kinetic friction is generally?
  1. A
    Smaller
  2. B
    Greater
  3. C
    Always equal
  4. D
    Infinite
Question 23Single Answer
The centroid of a rectangle lies at which location?
  1. A
    One corner
  2. B
    Midpoint of one side
  3. C
    Intersection of its diagonals
  4. D
    One-third of its diagonal
Question 24Single Answer
The centroid of a triangular area lies at what distance from its base along a median?
  1. A
    h/2
  2. B
    h/4
  3. C
    2h/3
  4. D
    h/3
Question 25Single Answer
The centroid of a semicircular area measured from its diameter is located at?
  1. A
    2r/π
  2. B
    r/2
  3. C
    4r/3π
  4. D
    3r/4
Question 26Single Answer
The center of gravity of a homogeneous body coincides with its?
  1. A
    Centroid
  2. B
    Neutral axis
  3. C
    Shear center
  4. D
    Pole
Question 27Single Answer
Which term represents the ratio of load lifted to effort applied in a machine?
  1. A
    Mechanical advantage
  2. B
    Velocity ratio
  3. C
    Efficiency
  4. D
    Friction factor
Question 28Single Answer
The velocity ratio of a machine is defined as the ratio of distance moved by effort to what?
  1. A
    Effort applied
  2. B
    Load lifted
  3. C
    Distance moved by load
  4. D
    Work lost
Question 29Single Answer
Efficiency of a machine is the ratio of mechanical advantage to what?
  1. A
    Load
  2. B
    Effort
  3. C
    Velocity ratio
  4. D
    Friction
Question 30Single Answer
An ideal machine has an efficiency of?
  1. A
    25%
  2. B
    100%
  3. C
    75%
  4. D
    50%
Question 31Single Answer
In the law of machine P = mW + C, what does C represent?
  1. A
    Load coefficient
  2. B
    Machine efficiency
  3. C
    Velocity ratio
  4. D
    Effort required to overcome machine friction at zero load
Question 32Single Answer
A machine that cannot run backward when the effort is removed is called?
  1. A
    Self-locking machine
  2. B
    Reversible machine
  3. C
    Ideal machine
  4. D
    Compound machine
Question 33Single Answer
A machine is generally self-locking when its efficiency is?
  1. A
    Greater than 100%
  2. B
    Less than 50%
  3. C
    Greater than 75%
  4. D
    Exactly 100%
Question 34Single Answer
Which simple machine consists essentially of a rigid bar rotating about a fixed point?
  1. A
    Lever
  2. B
    Pulley
  3. C
    Screw jack
  4. D
    Wheel and axle
Question 35Single Answer
The fixed point about which a lever rotates is known as?
  1. A
    Effort point
  2. B
    Load point
  3. C
    Fulcrum
  4. D
    Pitch point
Question 36Single Answer
In a first-class lever, the fulcrum is located where?
  1. A
    At the load
  2. B
    Beyond the effort
  3. C
    Between effort and load
  4. D
    Beyond both load and effort
Question 37Single Answer
Which principle is fundamental to the equilibrium of a lever?
  1. A
    Principle of moments
  2. B
    Bernoulli's principle
  3. C
    Archimedes' principle
  4. D
    Pascal's law
Question 38Single Answer
What type of force system has all forces parallel to one another?
  1. A
    Concurrent system
  2. B
    Parallel force system
  3. C
    Couple system only
  4. D
    Spatial concurrent system
Question 39Single Answer
If the algebraic sum of moments of all forces about any point is zero, the body satisfies which condition?
  1. A
    Rotational equilibrium
  2. B
    Translational condition only
  3. C
    Dynamic instability
  4. D
    Impending motion
Question 40Single Answer
Which quantity determines the turning effect of a force?
  1. A
    Density
  2. B
    Pressure
  3. C
    Moment
  4. D
    Strain
Question 41Single Answer
When a body is just about to slide, the friction developed is known as?
  1. A
    Rolling friction
  2. B
    Fluid friction
  3. C
    Kinetic friction
  4. D
    Limiting friction
Question 42Single Answer
Which friction is generally the least for a solid body moving over another surface?
  1. A
    Static friction
  2. B
    Sliding friction
  3. C
    Rolling friction
  4. D
    Limiting friction
Question 43Single Answer
A body remains in stable equilibrium when its center of gravity is?
  1. A
    Outside the body in every case
  2. B
    Lowered after a small displacement
  3. C
    Unchanged for every displacement
  4. D
    Raised after a small displacement
Question 44Single Answer
A body is in unstable equilibrium if a small displacement causes its center of gravity to?
  1. A
    Rise
  2. B
    Fall
  3. C
    Remain unchanged
  4. D
    Become zero
Question 45Single Answer
In neutral equilibrium, the center of gravity after a small displacement remains at what level?
  1. A
    Higher level
  2. B
    Same level
  3. C
    Lower level
  4. D
    Zero level
Question 46Single Answer
Which portion of a building lies below the plinth level and transfers loads to the ground?
  1. A
    Superstructure
  2. B
    Parapet
  3. C
    Substructure
  4. D
    Roof structure
Question 47Single Answer
Which structural component directly transfers building loads to the supporting soil?
  1. A
    Lintel
  2. B
    Parapet
  3. C
    Sill
  4. D
    Foundation
Question 48Single Answer
The portion of a building above plinth level is called?
  1. A
    Substructure
  2. B
    Foundation bed
  3. C
    Superstructure
  4. D
    Footing
Question 49Single Answer
The main purpose of a plinth is to raise the building floor above what?
  1. A
    Surrounding ground level
  2. B
    Roof level
  3. C
    Window sill level
  4. D
    Foundation base
Question 50Single Answer
Damp-proof course is generally provided at which level to prevent rising dampness?
  1. A
    Roof level
  2. B
    Plinth level
  3. C
    Lintel level
  4. D
    Parapet level
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