Motor Vehicle Inspector • 2025 • Paper-IV
Contact breaker points are usually made of:
A)
Copper
B)
Tungsten
C)
Steel
D)
Aluminium
Option B is correct: Tungsten.
Motor Vehicle Inspector • 2025 • Paper-IV
The example of a variable venturi type carburettor is:
A)
Carter carburettor
B)
Solex carburettor
C)
S.U. carburettor
D)
Mikuni carburettor
Option C is correct: S.U. carburettor.
Motor Vehicle Inspector • 2025 • Paper-III
Hydrocarbon emission is due to:
A)
Engine overcooling
B)
Incomplete combustion
C)
Fuel filter blockage
D)
High humidity
Option B is correct: Incomplete combustion.
Motor Vehicle Inspector • 2025 • Paper-III
Fuel in diesel engines ignites due to:
A)
Glow plug spark
B)
Heat of compression
C)
External flame
D)
Spark plug
Option B is correct: Heat of compression.
Motor Vehicle Inspector • 2025 • Paper-III
A valve timing diagram shows:
A)
Load vs rpm
B)
Fuel consumption vs speed
C)
Temperature vs pressure
D)
Valve events vs crank position
Option D is correct: Valve events vs crank position.
Motor Vehicle Inspector • 2025 • Paper-III
Hydraulic shock absorbers work by:
A)
Forcing oil through orifices
B)
Electrical coil action
C)
Compressing air
D)
Bending leaf spring
Option A is correct: Forcing oil through orifices.
Motor Vehicle Inspector • 2025 • Paper-III
A 4×4 vehicle indicates:
A)
Four-wheel steering
B)
Four-wheel drive
C)
Four-wheel braking
D)
Four-piston engine
Option B is correct: Four-wheel drive.
Motor Vehicle Inspector • 2025 • Paper-III
Hydroelastic suspension uses:
A)
Leaf only
B)
Steel only
C)
Air only
D)
Rubber and fluid
Option D is correct: Rubber and fluid.
Motor Vehicle Inspector • 2025 • Paper-III
Ground clearance affects:
A)
Engine colour
B)
Ride height and ability to clear obstacles
C)
Fuel grade
D)
Horn efficiency
Option B is correct: Ride height and ability to clear obstacles.
Motor Vehicle Inspector • 2025 • Paper-III
An automobile is best defined as:
A)
A cycle with motor assist
B)
A road vehicle driven by its own engine
C)
A rail vehicle
D)
A tracked vehicle
Option B is correct: A road vehicle driven by its own engine.
Motor Vehicle Inspector • 2025 • Paper-III
Kingpin inclination affects:
A)
Steering effort
B)
Brake balance
C)
Ride height
D)
Tyre pressure
Option A is correct: Steering effort.
Motor Vehicle Inspector • 2025 • Paper-III
Vehicle pitch is:
A)
Steering pull
B)
Nose up/down motion during braking or acceleration
C)
Vertical bounce
D)
Sideways sway
Option B is correct: Nose up/down motion during braking or acceleration.
Motor Vehicle Inspector • 2025 • Paper-III
Additional garage equipment includes:
A)
Hydraulic jack, air compressor
B)
Filing cabinet
C)
Fountain pen
D)
Fan heater
Option A is correct: Hydraulic jack, air compressor.
Motor Vehicle Inspector • 2025 • Paper-III
Wheel alignment covers:
A)
Brake line bleeding
B)
Camber, caster, toe
C)
Gear meshing
D)
Tyre balancing
Option B is correct: Camber, caster, toe.
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.
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 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
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
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
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
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
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
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
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
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.
