Motor Vehicle Inspector • 2025 • Paper-III
Which component directly connects the steering gearbox to the drag link?
A)
Idler arm
B)
Drop arm (Pitman arm)
C)
Tie rod
D)
Stub axle
Option B is correct: Drop arm (Pitman arm).
Motor Vehicle Inspector • 2025 • Paper-III
Which component is used in a synchromesh gearbox to match gear speeds before engagement?
A)
Dog clutch
B)
Synchronizer ring
C)
Sun gear
D)
Torque converter
Option B is correct: Synchronizer ring.
Motor Vehicle Inspector • 2025 • Paper-III
The chassis frame of an automobile:
A)
Enhances interior design
B)
Supports only the engine
C)
Acts as the main load-carrying structure
D)
Covers the fuel tank
Option C is correct: Acts as the main load-carrying structure.
Motor Vehicle Inspector • 2025 • Paper-III
Which of the following is not a function of the suspension system?
A)
Maintain ride comfort
B)
Ensure tire contact with the road
C)
Improve vehicle stability
D)
Increase fuel consumption
Option D is correct: Increase fuel consumption.
Motor Vehicle Inspector • 2025 • Paper-III
Axle shafts are made from:
A)
Brass
B)
Aluminium
C)
Alloy steel
D)
Cast iron
Option C is correct: Alloy steel.
Motor Vehicle Inspector • 2025 • Paper-III
Toe in is:
A)
Rear edges closer than front
B)
Equal distances
C)
Excess camber
D)
Front edges of wheels closer than rear edges
Option D is correct: Front edges of wheels closer than rear edges.
Motor Vehicle Inspector • 2025 • Paper-III
Unit of specific fuel consumption is:
A)
g/kWh
B)
kWh/kg
C)
kg/m³
D)
Nm/min
Option A is correct: g/kWh.
Motor Vehicle Inspector • 2025 • Paper-III
A non-reversible steering system:
A)
Transmits road shocks to the steering wheel
B)
Doesn’t return to center after turning
C)
Improves vehicle stability
D)
Is commonly used in power steering
Option B is correct: Doesn’t return to center after turning.
Motor Vehicle Inspector • 2025 • Paper-III
Torsion bars act by:
A)
Shear only
B)
Compression
C)
Bending
D)
Twisting along their axis
Option D is correct: Twisting along their axis.
Motor Vehicle Inspector • 2025 • Paper-III
NOx forms at:
A)
Very rich mixture
B)
Cold start
C)
High combustion temperature
D)
Low load idle
Option C is correct: High combustion temperature.
Motor Vehicle Inspector • 2025 • Paper-III
In a four-stroke diesel engine, during the intake stroke, the engine draws:
A)
Air-fuel mixture
B)
Exhaust gases
C)
Pure air only
D)
Fuel only
Option C is correct: Pure air only.
Motor Vehicle Inspector • 2025 • Paper-III
Which of the following is true about independent suspension systems?
A)
Both wheels are mounted on a common axle
B)
One wheel’s movement affects the other
C)
Each wheel moves independently of the other
D)
They are only used in trucks
Option C is correct: Each wheel moves independently of the other.
Motor Vehicle Inspector • 2025 • Paper-III
Main SI engine exhaust pollutants:
A)
CO, HC, NOx
B)
Lead only
C)
SO only
D)
Smoke only
Option A is correct: CO, HC, NOx.
Motor Vehicle Inspector • 2025 • Paper-III
The word ‘automobile’ is derived from which two words?
A)
Auto and fuel
B)
Auto and mobile
C)
Auto and engine
D)
Mobile and motor
Option B is correct: Auto and mobile.
Motor Vehicle Inspector • 2025 • Paper-III
In the front engine, rear-wheel drive (FR) layout, the engine is located at the:
A)
Rear, and drives the front wheels
B)
Front, and drives the rear wheels
C)
Middle, and drives all wheels
D)
Rear, and drives the rear wheels
Option B is correct: Front, and drives the rear wheels.
Motor Vehicle Inspector • 2025 • Paper-III
Independent front suspension is commonly used in:
A)
Tractors
B)
Motorcycles
C)
Passenger cars
D)
Heavy-duty trucks only
Option C is correct: Passenger cars.
Motor Vehicle Inspector • 2025 • Paper-III
Air suspension uses:
A)
Oil only
B)
Steam
C)
Water
D)
Compressed air as spring medium
Option D is correct: Compressed air as spring medium.
Motor Vehicle Inspector • 2025 • Paper-III
Crown wheel is part of:
A)
Differential
B)
Brake
C)
Clutch
D)
Gearbox
Option A is correct: Differential.
Motor Vehicle Inspector • 2025 • Paper-III
A positive camber means:
A)
Top of the wheels tilt inward
B)
Bottom of the wheels tilt outward
C)
Top of the wheels tilt outward
D)
Both wheels are perfectly vertical
Option C is correct: Top of the wheels tilt outward.
Motor Vehicle Inspector • 2025 • Paper-III
Drag link connects:
A)
Steering arm to wheel rim
B)
Knuckle to axle beam
C)
Hub to brake shoe
D)
Pitman arm to steering arm
Option D is correct: Pitman arm to steering arm.
Motor Vehicle Inspector • 2025 • Paper-III
What is the primary purpose of the gearbox casing?
A)
Increase gear speed
B)
House and protect internal components
C)
Control fuel-air mixture
D)
Increase compression ratio
Option B is correct: House and protect internal components.
Motor Vehicle Inspector • 2025 • Paper-III
In an automatic gearbox, what replaces the function of the clutch?
A)
Planetary gears
B)
Synchronizer ring
C)
Torque converter
D)
Clutch pedal
Option C is correct: Torque converter.
Motor Vehicle Inspector • 2025 • Paper-III
CNG, diesel, and electric are types of classification based on:
A)
Ignition system
B)
Emission control
C)
Fuel used
D)
Engine cooling
Option C is correct: Fuel used.
Motor Vehicle Inspector • 2025 • Paper-III
Vehicle classification by load capacity includes:
A)
Steering type
B)
Colour
C)
Light, medium, heavy vehicles
D)
Passenger only
Option C is correct: Light, medium, heavy vehicles.
Motor Vehicle Inspector • 2025 • Paper-III
A light commercial vehicle has capacity:
A)
Less than 500/ kg
B)
Above 16 tonnes
C)
Below 7.5 tonnes
D)
Above 25 tonnes
Option C is correct: Below 7.5 tonnes.
