Motor Vehicle Inspector • 2025 • Paper-III
Single plate clutch is used in:
A)
Heavy tractors only
B)
Cars and light trucks
C)
Scooters only
D)
Cycles
Option B is correct: Cars and light trucks.
Motor Vehicle Inspector • 2025 • Paper-III
Bonnet covers:
A)
Passenger roof
B)
Engine compartment
C)
Gearbox only
D)
Luggage compartment
Option B is correct: Engine compartment.
Motor Vehicle Inspector • 2025 • Paper-III
Hydraulic power steering uses:
A)
Air pressure
B)
Electrical power
C)
Hydraulic fluid pressure
D)
Exhaust gas
Option C is correct: Hydraulic fluid pressure.
Motor Vehicle Inspector • 2025 • Paper-III
A good suspension should provide:
A)
Harsh ride
B)
Maximum noise
C)
Comfort and road holding
D)
Minimum ground clearance
Option C is correct: Comfort and road holding.
Motor Vehicle Inspector • 2025 • Paper-III
The worm and roller mechanism is mainly used in:
A)
Racing cars
B)
Off-road bikes
C)
Commercial vehicles
D)
Electric scooters
Option C is correct: Commercial vehicles.
Motor Vehicle Inspector • 2025 • Paper-III
A four-stroke cycle engine completes its power cycle in:
A)
One stroke of the piston
B)
Two strokes of the piston
C)
Three strokes of the piston
D)
Four strokes of the piston
Option D is correct: Four strokes of the piston.
Motor Vehicle Inspector • 2025 • Paper-III
Glow plugs are used in:
A)
Petrol engines
B)
Diesel engines for cold start
C)
Steam turbines
D)
Gas turbines
Option B is correct: Diesel engines for cold start.
Motor Vehicle Inspector • 2025 • Paper-III
Which of the following fuels is commonly used in compression ignition (CI) reciprocating engines?
A)
Petrol
B)
Diesel
C)
Kerosene
D)
Natural gas
Option B is correct: Diesel.
Motor Vehicle Inspector • 2025 • Paper-III
Brake horsepower is:
A)
Wheel hub torque only
B)
Piston crown pressure
C)
Measured at crankshaft output
D)
Cylinder indicated power
Option C is correct: Measured at crankshaft output.
Motor Vehicle Inspector • 2025 • Paper-III
In a constant mesh gearbox, gear selection is made by:
A)
Moving the gear itself
B)
Engaging dog clutches with the desired gear
C)
Changing gear diameter
D)
Applying fluid pressure
Option B is correct: Engaging dog clutches with the desired gear.
Motor Vehicle Inspector • 2025 • Paper-III
Oversteer is a condition where:
A)
The front tires lose traction first
B)
The rear tires lose traction first
C)
Both tires lose traction equally
D)
None of the above
Option B is correct: The rear tires lose traction first.
Motor Vehicle Inspector • 2025 • Paper-III
Which of the following is NOT a characteristic of an automobile?
A)
Self-propelled
B)
Designed for transportation on roads
C)
Powered by human effort
D)
Used for transporting people or goods
Option C is correct: Powered by human effort.
Motor Vehicle Inspector • 2025 • Paper-III
In which type of vehicle is the three-quarter floating axle commonly used?
A)
Heavy-duty trucks.
B)
Light passenger truck
C)
Motorcycle
D)
Electric scooters
Option B is correct: Light passenger truck.
Motor Vehicle Inspector • 2025 • Paper-III
Which of the following is a rotary-type internal combustion engine?
A)
V6 engine
B)
Opposed piston engine
C)
Wankel engine
D)
Boxer engine
Option C is correct: Wankel engine.
Motor Vehicle Inspector • 2025 • Paper-III
Catalytic converters are used to treat exhaust gases by:
A)
Cooling them down
B)
Filtering solid particles
C)
Converting harmful gases into less harmful ones
D)
Increasing fuel efficiency
Option C is correct: Converting harmful gases into less harmful ones.
Motor Vehicle Inspector • 2025 • Paper-III
Dampers (shock absorbers) work by converting:
A)
Electrical energy into kinetic energy
B)
Heat energy into mechanical energy
C)
Kinetic energy into heat energy
D)
Air pressure into electricity
Option C is correct: Kinetic energy into heat energy.
Motor Vehicle Inspector • 2025 • Paper-III
Cylinder head houses:
A)
Bearings
B)
Pistons
C)
Valves and ports
D)
Crankshaft
Option C is correct: Valves and ports.
Motor Vehicle Inspector • 2025 • Paper-III
Which is not a standard type of drive?
A)
Rear wheel drive
B)
Chain drive to all wheels
C)
Four wheel drive
D)
Front wheel drive
Option B is correct: Chain drive to all wheels.
Motor Vehicle Inspector • 2025 • Paper-III
In front engine RWD layout, the propeller shaft runs:
A)
Longitudinally
B)
Diagonally
C)
Vertical
D)
Across vehicle width
Option A is correct: Longitudinally.
Motor Vehicle Inspector • 2025 • Paper-III
Steering ratio is:
A)
Torque ÷ effort
B)
Caster ÷ camber
C)
Wheelbase ÷ track
D)
Steering wheel angle ÷ road wheel turn angle
Option D is correct: Steering wheel angle ÷ road wheel turn angle.
Motor Vehicle Inspector • 2025 • Paper-III
Live axle:
A)
Only transmits torque
B)
Transmits drive and supports weight
C)
Used only at front
D)
Only supports weight
Option B is correct: Transmits drive and supports weight.
Motor Vehicle Inspector • 2025 • Paper-III
What type of gears are typically used inside the differential to allow wheel speed variation?
A)
Spur gears
B)
Bevel gears
C)
Worm gears
D)
Helical gears
Option B is correct: Bevel gears.
Motor Vehicle Inspector • 2025 • Paper-III
In a transverse engine layout, crankshaft is:
A)
Inclined
B)
Perpendicular to vehicle length
C)
Vertical
D)
Parallel to vehicle length
Option B is correct: Perpendicular to vehicle length.
Motor Vehicle Inspector • 2025 • Paper-III
Which of the following uses circulating balls to reduce friction?
A)
Worm and roller
B)
Worm and sector
C)
Recirculating ball steering
D)
Rack and pinion
Option C is correct: Recirculating ball steering.
Motor Vehicle Inspector • 2025 • Paper-III
In constant velocity joints, driven shaft speed is:
A)
Always less
B)
Equal to driving shaft speed
C)
Always more
D)
Varying
Option B is correct: Equal to driving shaft speed.
