Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Brake lining consist mainly of-
A)
copper
B)
asbestos
C)
rubber
D)
cast iron
Option B is correct: asbestos.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
An AC current can be produced by-
A)
choke coil
B)
dynamo
C)
transformer
D)
None of these
Option B is correct: dynamo.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The purpose of the starter motor in an automobile is-
A)
to convert electrical energy into mechanical energy
Option A is correct: to convert electrical energy into mechanical energy.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
At the start of the engine, the charging voltage is _______.
A)
Lower
B)
Higher
C)
Same
D)
Zero
Option B is correct: Higher.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
What is the primary function of a steering system in an automobile?
A)
To control the speed of the vehicle
B)
To stop the vehicle
C)
To control the direction of the vehicle
D)
To increase fuel efficiency
Option C is correct: To control the direction of the vehicle.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Which of the following is the oldest and simplest type of chassis frame?
A)
Backbone frame
B)
Monocoque frame
C)
Ladder frame
D)
Tubular frame
Option C is correct: Ladder frame.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Basic tool in work study is-
A)
stop watch
B)
planning chart
C)
process chart
D)
graph paper
Option A is correct: stop watch.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Which type of battery is commonly used in automobiles?
A)
Lithium-ion battery
B)
Nickel-metal hydride battery
C)
Lead-acid battery
D)
Nickel-cadmium battery
Option C is correct: Lead-acid battery.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The differential allows-
A)
Both wheels to rotate at the same speed during turns
B)
One wheel to rotate forward and the other in reverse
C)
Wheels to rotate at different speeds
D)
Complete locking of wheels at all times
Option C is correct: Wheels to rotate at different speeds.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The ignition system converts:
A)
Mechanical energy to thermal energy
B)
Low voltage to high voltage for spark generation
C)
High voltage to low voltage
D)
Fuel to electricity
Option B is correct: Low voltage to high voltage for spark generation.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The motion transmitted between the teeth of gears in mesh is-
A)
sliding
B)
rolling
C)
may be rolling or sliding depending upon the shape of teeth
D)
partly sliding and partly rolling
Option D is correct: partly sliding and partly rolling.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The time at which the processing of the job in the machine is completed, is-
A)
flow time
B)
due time
C)
completion time
D)
processing time
Option C is correct: completion time.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Worm gear is used, when two shafts are at _________.
A)
right angles to each other
B)
some distance apart
C)
radial direction
D)
45 cm apart
Option A is correct: right angles to each other.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Which of the following is not a function of material management?
A)
Purchasing
B)
Inventory control
C)
Production planning
D)
Warehousing
Option C is correct: Production planning.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Power steering operates by using-
A)
Compressed air
B)
Fuel pressure
C)
Hydraulic or electric assistance
D)
Exhaust gases
Option C is correct: Hydraulic or electric assistance.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Why ‘Bumpers’ are used in cars?
A)
To reduce the impact in case of collisions
B)
To improve the aerodynamics of a car
C)
To increase the engine performance
D)
None of the mentioned
Option A is correct: To reduce the impact in case of collisions.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The torsional stiffness of a chassis frame refers to its ability to resist-
A)
vibrations
B)
twisting
C)
impact
D)
heat
Option B is correct: twisting.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Fifth wheel steering systems are mostly used in-
A)
sports cars
B)
bicycles
C)
long trailers and multi-axle trucks
D)
hatchback vehicles
Option C is correct: long trailers and multi-axle trucks.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The ball joints in a steering system allow-
A)
Only up and down movement
B)
Only left and right movement
C)
Rotational movement in all directions
D)
No movement
Option C is correct: Rotational movement in all directions.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
What is the primary concern of chassis testing for commercial vehicles?
A)
Acceleration capability
B)
Fuel efficiency
C)
Structural integrity
D)
Interior comfort
Option C is correct: Structural integrity.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The operation principle of brake is-
A)
vibration
B)
friction
C)
dragging
D)
suction
Option B is correct: friction.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Kanban is Japanese term indicating-
A)
information for production and withdrawal of items
B)
a method of line balancing
C)
priority dispatching
D)
line time employment
Option A is correct: information for production and withdrawal of items.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
The main purpose of a power steering system-
A)
to increase engine power
B)
to improve fuel efficiency
C)
to reduce steering effort
D)
to enhance braking performance
Option C is correct: to reduce steering effort.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
In a clutch system, the pressure plate is used to-
A)
Increase engine speed
B)
Reduce vibration
C)
Hold the clutch plate firmly against the flywheel
D)
None of these
Option C is correct: Hold the clutch plate firmly against the flywheel.
Motor Vehicle Inspector • 2025 • Paper-IV (Mechanical Engineering)
Production planning consist of-
A)
preplanning and routing
B)
scheduling and dispatching
C)
expediting
D)
all of these
Option D is correct: all of these.
