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Objective Questions

Latest BPSC AE Electrical Exam Question (Objective Questions), MCQ in English

Subjects : General Engineering Science

Question Bank BPSC Assistant Engineer (Electrical) Exam Paper 4 - English
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General Engineering Science

Question 1Single Answer
The resultant of two equal forces acting at right angles is:
  1. A
    Equal to one force
  2. B
    √2 times one force
  3. C
    Twice one force
  4. D
    Zero
Question 2Single Answer
What is the condition for a body to be in equilibrium?
  1. A
    Net force and net moment are zero
  2. B
    Net force is maximum
  3. C
    Net moment is maximum
  4. D
    Acceleration is constant
Question 3Single Answer
Which of the following is a necessary condition for static equilibrium?
  1. A
    Sum of forces equals zero
  2. B
    Sum of velocities equals zero
  3. C
    Sum of accelerations equals zero
  4. D
    Sum of energies equals zero
Question 4Single Answer
A body is in translational equilibrium when:
  1. A
    Net force acting on it is zero
  2. B
    Net torque acting on it is zero
  3. C
    Net velocity is constant
  4. D
    Net acceleration is constant
Question 5Single Answer
What is the primary requirement for rotational equilibrium?
  1. A
    Sum of forces equals zero
  2. B
    Sum of torques equals zero
  3. C
    Sum of velocities equals zero
  4. D
    Sum of energies equals zero
Question 6Single Answer
Which law is used to analyze equilibrium in mechanics?
  1. A
    Newton’s First Law
  2. B
    Newton’s Second Law
  3. C
    Newton’s Third Law
  4. D
    Law of Gravitation
Question 7Single Answer
A beam supported at two points is an example of:
  1. A
    Dynamic equilibrium
  2. B
    Static equilibrium
  3. C
    Unstable equilibrium
  4. D
    Neutral equilibrium
Question 8Single Answer
The point where the entire weight of a body appears to act is called:
  1. A
    Center of mass
  2. B
    Center of pressure
  3. C
    Center of rotation
  4. D
    Center of equilibrium
Question 9Single Answer
In a system under equilibrium, the sum of clockwise moments is equal to:
  1. A
    Sum of counterclockwise moments
  2. B
    Sum of forces
  3. C
    Sum of velocities
  4. D
    Sum of energies
Question 10Single Answer
Which type of force does not contribute to equilibrium?
  1. A
    External force
  2. B
    Internal force
  3. C
    Frictional force
  4. D
    Gravitational force
Question 11Single Answer
A body in equilibrium can be at rest or:
  1. A
    Accelerating uniformly
  2. B
    Moving with constant velocity
  3. C
    Decelerating uniformly
  4. D
    Rotating with constant acceleration
Question 12Single Answer
The equilibrium condition for a planar system requires how many independent equations?
  1. A
    Two
  2. B
    Three
  3. C
    Four
  4. D
    Five
Question 13Single Answer
Which of the following is an example of a concurrent force system?
  1. A
    Forces acting at different points
  2. B
    Forces meeting at a single point
  3. C
    Forces acting parallel to each other
  4. D
    Forces acting perpendicular to each other
Question 14Single Answer
The principle of transmissibility applies to:
  1. A
    Internal forces
  2. B
    External forces
  3. C
    Frictional forces
  4. D
    Non-conservative forces
Question 15Single Answer
A couple in equilibrium produces:
  1. A
    Translation only
  2. B
    Rotation only
  3. C
    Both translation and rotation
  4. D
    Neither translation nor rotation
Question 16Single Answer
What is the unit of moment in the SI system?
  1. A
    Newton
  2. B
    Newton-meter
  3. C
    Joule
  4. D
    Watt
Question 17Single Answer
Which of the following is true for a body in stable equilibrium?
  1. A
    It returns to its original position after disturbance
  2. B
    It moves further away after disturbance
  3. C
    It remains in a new position after disturbance
  4. D
    It oscillates indefinitely
Question 18Single Answer
The equilibrium of a body under three forces requires that the forces are:
  1. A
    Parallel
  2. B
    Coplanar and concurrent
  3. C
    Perpendicular
  4. D
    Non-coplanar
Question 19Single Answer
Lami’s theorem is applicable to:
  1. A
    Non-concurrent forces
  2. B
    Three concurrent forces in equilibrium
  3. C
    Parallel forces
  4. D
    Dynamic forces
Question 20Single Answer
The moment of a force about a point is zero when the force:
  1. A
    Passes through the point
  2. B
    Is parallel to the point
  3. C
    Is perpendicular to the point
  4. D
    Is at maximum distance
Question 21Single Answer
A system of forces is in equilibrium if the resultant force is:
  1. A
    Maximum
  2. B
    Minimum
  3. C
    Zero
  4. D
    Constant
Question 22Single Answer
Which type of equilibrium occurs when a body remains in position after a slight disturbance?
  1. A
    Stable equilibrium
  2. B
    Unstable equilibrium
  3. C
    Neutral equilibrium
  4. D
    Dynamic equilibrium
Question 23Single Answer
A truss is in equilibrium if:
  1. A
    All members are under tension
  2. B
    All joints satisfy equilibrium conditions
  3. C
    All members are under compression
  4. D
    All forces are parallel
Question 24Single Answer
The minimum number of forces required for equilibrium in a coplanar system is:
  1. A
    One
  2. B
    Two
  3. C
    Three
  4. D
    Four
Question 25Single Answer
Which of the following is a scalar quantity in equilibrium analysis?
  1. A
    Force
  2. B
    Moment
  3. C
    Velocity
  4. D
    Work
Question 26Single Answer
What is the purpose of equation experiments in engineering mechanics?
  1. A
    To measure velocity
  2. B
    To verify equilibrium equations
  3. C
    To calculate energy loss
  4. D
    To determine acceleration
Question 27Single Answer
Which equation is commonly tested in equilibrium experiments?
  1. A
    ΣF = ma
  2. B
    ΣF = 0
  3. C
    ΣP = mv
  4. D
    ΣE = mc2
Question 28Single Answer
An experiment to verify Lami’s theorem involves:
  1. A
    A single force
  2. B
    Three concurrent forces
  3. C
    Parallel forces
  4. D
    Non-coplanar forces
Question 29Single Answer
In an equilibrium experiment, the sum of moments about a point is:
  1. A
    Maximum
  2. B
    Minimum
  3. C
    Zero
  4. D
    Constant
Question 30Single Answer
Which apparatus is commonly used to study equilibrium of forces?
  1. A
    Force table
  2. B
    Pendulum
  3. C
    Spring balance
  4. D
    Inclined plane
Question 31Single Answer
An experiment to verify equilibrium of a beam involves:
  1. A
    Measuring acceleration
  2. B
    Balancing forces and moments
  3. C
    Calculating kinetic energy
  4. D
    Determining velocity
Question 32Single Answer
The principle of moments is verified in experiments by ensuring:
  1. A
    Sum of forces equals zero
  2. B
    Sum of moments equals zero
  3. C
    Sum of velocities equals zero
  4. D
    Sum of energies equals zero
Question 33Single Answer
In a force table experiment, the resultant force is:
  1. A
    Maximum
  2. B
    Minimum
  3. C
    Zero
  4. D
    Constant
Question 34Single Answer
Which of the following is measured in an equilibrium experiment?
  1. A
    Acceleration
  2. B
    Force magnitudes and angles
  3. C
    Velocity
  4. D
    Kinetic energy
Question 35Single Answer
An experiment to verify equilibrium of concurrent forces uses:
  1. A
    A single weight
  2. B
    Multiple weights suspended from a point
  3. C
    A rotating disc
  4. D
    A moving cart
Question 36Single Answer
The accuracy of an equilibrium experiment depends on:
  1. A
    Friction in the system
  2. B
    Precise measurement of forces and angles
  3. C
    Velocity of the system
  4. D
    Temperature of the environment
Question 37Single Answer
In an experiment, if the sum of forces is not zero, the system is:
  1. A
    In equilibrium
  2. B
    In motion
  3. C
    At rest
  4. D
    In stable equilibrium
Question 38Single Answer
Which theorem is tested in experiments with three forces meeting at a point?
  1. A
    Varignon’s theorem
  2. B
    Lami’s theorem
  3. C
    Bernoulli’s theorem
  4. D
    Archimedes’ principle
Question 39Single Answer
An equilibrium experiment with a beam requires:
  1. A
    A single support
  2. B
    At least two supports
  3. C
    No supports
  4. D
    A rotating pivot
Question 40Single Answer
The force table experiment verifies:
  1. A
    Newton’s Second Law
  2. B
    Equilibrium of concurrent forces
  3. C
    Conservation of energy
  4. D
    Conservation of momentum
Question 41Single Answer
In an equilibrium experiment, the role of a pulley is to:
  1. A
    Increase friction
  2. B
    Redirect forces
  3. C
    Measure velocity
  4. D
    Calculate energy
Question 42Single Answer
Which of the following is a common source of error in equilibrium experiments?
  1. A
    Accurate measurements
  2. B
    Friction in pulleys
  3. C
    Constant temperature
  4. D
    Stable supports
Question 43Single Answer
An experiment to verify the principle of moments uses:
  1. A
    A lever or beam
  2. B
    A spring
  3. C
    A pendulum
  4. D
    A rotating wheel
Question 44Single Answer
The equilibrium of a rigid body is tested by ensuring:
  1. A
    Sum of forces and moments is zero
  2. B
    Sum of velocities is zero
  3. C
    Sum of energies is zero
  4. D
    Sum of accelerations is zero
Question 45Single Answer
In an equilibrium experiment, the resultant moment is:
  1. A
    Maximum
  2. B
    Minimum
  3. C
    Zero
  4. D
    Constant
Question 46Single Answer
Which instrument is used to measure angles in a force table experiment?
  1. A
    Protractor
  2. B
    Vernier caliper
  3. C
    Micrometer
  4. D
    Ruler
Question 47Single Answer
An experiment to verify equilibrium of parallel forces involves:
  1. A
    A single force
  2. B
    Forces acting in the same direction
  3. C
    Forces acting in opposite directions
  4. D
    Non-coplanar forces
Question 48Single Answer
The purpose of weights in an equilibrium experiment is to:
  1. A
    Increase friction
  2. B
    Apply known forces
  3. C
    Measure velocity
  4. D
    Calculate energy
Question 49Single Answer
In an equilibrium experiment, the system is considered ideal if:
  1. A
    Friction is maximum
  2. B
    Friction is negligible
  3. C
    Velocity is constant
  4. D
    Acceleration is constant
Question 50Single Answer
An experiment to verify equilibrium of a truss involves:
  1. A
    Measuring joint forces
  2. B
    Calculating kinetic energy
  3. C
    Determining velocity
  4. D
    Measuring temperature
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