Quiz Questions - ITI Quiz - 07-Feb-2026 06:33 PM

Question 1 1 Marks

What is the recommended valve of combined angle in the steering system?

A

5 - 8 Degree

B

9 - 10 Degree

C

12 - 15 Degree

D

15 - 18 Degree

Question 2 1 Marks

What is the steering linkage ratio if the pitman arm length twice of steering arm length?

A

02:01

B

02:01

C

01:02

D

02:03

Question 3 1 Marks

What is the average power steering gear ratio followed in general?

A

40% less than manual steering

B

Equal to manual steering

C

20% less than manual steering

D

10% more than manual steering

Question 4 1 Marks

What is the range of steering ratio available in general?

A

8 : 2 to 22 : 2

B

11 : 2 to 22 : 2

C

11 : 1 to 24 : 1

D

10 : 1 to 18 :1

Question 5 1 Marks

What is the maximum air pressure supplied by the compressor in the air suspension system?

A

100 to 115 PSI

B

180 to 210 PSI

C

120 to 125 PSI

D

200 to 215 PSI

Question 6 1 Marks

What is the aspect ratio in the tyre structure?

A

Percentage rartio of tyre height to Rim width

B

Ratio between tyre height to tyre dia

C

Percentage ratio of tyre height to tyre width

D

Ratio between tyre width to Rim width

Question 7 1 Marks

How the tyre height is calculated?

A

Rim dia - tyre outer dia

B

Tyre outer dia - Rim dia

C

Thread width + Tyre width

D

Tyre width + Bead circle dia

Question 8 1 Marks

Which part of tyre referred as 'Crown'?

A

Thread width

B

Rim width

C

Tyre width

D

Thread radious

Question 9 1 Marks

What is the name of distance between most protruding portions on both sides of tyre?

A

Tyre outer diameter

B

Tyre height

C

Tyre width

D

Thread radious

Question 10 1 Marks

What does the no: 14PR denotes in the tyre specification 9? x 14 - 14PR?

A

Shoulder width

B

Bead circle dia

C

Ply rating

D

Tyre thickness

Question 11 1 Marks

How the tyre is specified?

A

Shoulder width, Boad circle dia. Ply rating

B

Shoulder dia, Bead circle dia, Ply rating

C

Shoulder width, Tyre thickness

D

Ply rating, tyre inner circle dia, shoulder width

Question 12 1 Marks

Which type of wheel consist two separate discs are clamped together?

A

Split wheel

B

Wire wheel

C

Disc wheel

D

Heavy vehicle

Question 13 1 Marks

Which advantage does not suit to wheel alignment?

A

Minimise tyre wear

B

Reduce driver effort

C

Achieve self centering after turning

D

Achieve easy torque transmission

Question 14 1 Marks

Which part of electronic power steering revert back to manual steering in case of failure in power steering?

A

Solenoid valve

B

Phase compensator

C

Fail safe relay

D

Current controller

Question 15 1 Marks

Which device in electronic power steering converts the steering torque input and its direction in to voltage signals?

A

Rotation sensor

B

Torque sensor

C

Hall effect sensor

D

Temperature sensor

Question 16 1 Marks

What is the advantage of electronic power steering?

A

Compact in size

B

Energy being consumed only while steering

C

Less ocupation of space

D

Number of components are less

Question 17 1 Marks

Which steering system will provide assistance even when the engine is not running?

A

Integral power steering

B

Linkage power steering

C

Electronic power steering

D

Manual steering

Question 18 1 Marks

Which part of integral power steering reduce fluid pressure?

A

Torsion bar

B

Rotary valve

C

Unloading valve

D

Flow control valve

Question 19 1 Marks

What is the role of recirculating balls in the integral power steering?

A

Affect steering stability

B

Prevent control in event of hydraulic failure

C

Combine high mechanical efficiency with smooth operation

D

Provide hard steering

Question 20 1 Marks

Which is the heart of integral power steering system?

A

Flow control valve

B

Rotary control valve

C

Pressure relief valve

D

Unloading valves

Question 21 1 Marks

Which is not the benefit of power steering?

A

Effort less steering

B

Quick response

C

Absolute control during driving

D

Positive breaking system

Question 22 1 Marks

Which type of suspension spring can not transfer wheel guidence forces?

A

Helical springs

B

Coil springs

C

Leaf springs

D

Compression springs

Question 23 1 Marks

What is the advantage of coil spring?

A

Good load carrying capacity

B

High steering and stability

C

Low space requirement

D

Provide greater pay load

Question 24 1 Marks

Which type of suspension spring made of fibre glass, laminated and bonded together by tough polyster resins?

A

Coil springs

B

Multiple leaf springs

C

Monoleaf springs

D

Fiber composite springs

Question 25 1 Marks

Which type of spring will have good load carrying capacity and do not have noise in the suspension system?

A

Monoleaf springs

B

Coil spring

C

Multiple - leaf spring

D

Fibre composite springs

Question 26 1 Marks

Which system provided between axles and chassis frame?

A

Braking system

B

Suspension system

C

Steering system

D

Cooling system

Question 27 1 Marks

Which is not the function of suspension system?

A

It maintains body level

B

It gives cushioning effects

C

It transfer braking torque to the chassis

D

It increase steering stability

Question 28 1 Marks

Why light weight cars use low steering ratio?

A

To obtain low steering effect

B

To obtain large steering effect

C

To obtain constant steering effect

D

To obtain no steering effect

Question 29 1 Marks

Which angle helps in self centering of wheels after negotiating a turn?

A

Castor angle

B

King pin inclination

C

Camber angle

D

Included angle

Question 30 1 Marks

What is the purpose of castor in wheel alignment?

A

Maintain directional stability and control

B

Reduce tyre wear

C

Reduce abnormal vibration

D

Convert steering torque input into voltage signal

Question 31 1 Marks

What is the advantage of using non reactive suspension arrangement on multi-axle vehicles?

A

Good braking efficiency in both rear wheels

B

Better riding comfort

C

Increased spring life

D

Prevention of ratting

Question 32 1 Marks

Which type of independent suspension system simple in construction and allow more deflection of the front wheel without effect on the steering?

A

Torsion bar suspension

B

Strut type suspension

C

Coil spring suspension

D

Conventional suspension

Question 33 1 Marks

Which part of coil spring allows angular movement of linkages?

A

Ball joint

B

Stabiliser bar

C

Torsion bar

D

Lower control arm

Question 34 1 Marks

Which type of spring suspension responds quickly to road shocks? |

A

Compression spring

B

Coil spring

C

Helical spring

D

Transverse spring

Question 35 1 Marks

Which type of shock absorber maintain vehicle ride at a pre - set level according to the load placed over the rear axle?

A

Gas pressurised shock absorber

B

Hydraulic shock absorber

C

Automatic load adjustable shock absorber

D

Mechanical shock absorber

Question 36 1 Marks

What is the effect of weak suspension?

A

Directional unstability of vehicle

B

Carrying excessive payload of vehicle

C

Unequal weight distribution of weight

D

Vibration damping is more effective

Question 37 1 Marks

Which type of shock absorber is easy for replacement and handling?

A

Vane type

B

Piston type

C

Mechanical type

D

Telescopic type

Question 38 1 Marks

Which type of shock absorber absorbs shocks with the help of friction disc and spring?

A

Hydraulic type

B

Electrical type

C

Mechanical type

D

Pneumatic type

Question 39 1 Marks

Which device in the air suspension system observe vibration of low amplitude and high frequency?

A

Shock absorber

B

Suspension spring

C

Air bags in the system

D

Leaf spring

Question 40 1 Marks

Where the airbags are located in the air suspension system?

A

Betweeen frame and vehicle axle

B

Between high control valve and frame

C

Between air pressure regulator and front axle

D

Between brake tank and vehicle axle

Question 41 1 Marks

What is the purpose of air suspension?

A

Used for leveling purpose

B

Reduce the suspension weight

C

Increase the directional stability

D

Reduce the space ocupation

Question 42 1 Marks

What is the disadvantage of independent suspension system?

A

More maintanance cost

B

Vibration damping is less effective

C

Shocks transmitted from one wheel to other

D

Spring weight is more

Question 43 1 Marks

What is the advantage of using independent suspension system?

A

This is simple arrangement

B

Shocks are transmitted from one wheel to other

C

Spring weight is less

D

Maintance cost is less

Question 44 1 Marks

What is the disadvantage of rigid axle suspension system?

A

Spring weight is less

B

Vibration damping is less effective

C

This is a complicated arrangement

D

Maintanance cost is more

Question 45 1 Marks

What is the advantage of using nitrogen in the tyres?

A

Provide positive road grip

B

Increase the tyre life

C

Provide cusioning effect on the vehicle

D

Oberve shocks and vibration

Question 46 1 Marks

What is the use of compact spare tyres?

A

Used for breakdown

B

Used for high altitude

C

Withstand heavy load

D

Withstand high temperature

Question 47 1 Marks

Which rating indicate the braking capablities of the tire to the consumer?

A

Ply rating

B

Tyre rating

C

Traction rating

D

Temperature rating

Question 48 1 Marks

What is the advantage of using run flat tyres?

A

Less cost and maintance

B

Eliminate head for spare tyre and jack

C

Resist vibration

D

Provide equal distribution of load

Question 49 1 Marks

What will effect in case of over inflated tyres?

A

Tyre will wearout at centre

B

Tyre will wear out at edges

C

Tyre will crack at edges

D

Tyre will crack at centre

Question 50 1 Marks

What is the purpose of beads and plys provided in the tyre?

A

Provide strength to tyre

B

Provide grippness on the surface

C

Prevent tyre slip

D

Resist vibration

Question 51 1 Marks

What is the function of Rim in the wheel construction?

A

Support the axle

B

Provides balancing of vehicle

C

Holds the tyre in correct position

D

Distribute the load equally

Question 52 1 Marks

What is the purpose of spokes provided in the wheel?

A

Provide accurate rounds of rim

B

Distribute pre load evenly

C

Provide directional stability of vehicle

D

Suport the chassis frame of vehicle

Question 53 1 Marks

Where the tyre pressure sensor secured in the wheel assembly?

A

Secured in the wheel hub

B

Secured in the tyre outer edges

C

Bolted to metal valve

D

Bolted to the rim centre

Question 54 1 Marks

When the driver is warned of difference in tyre pressure?

A

Difference in pressure exceeds 30%

B

Difference in pressure more than 10%

C

Difference in pressure more than 20%

D

Difference in pressure exceeds 40%

Question 55 1 Marks

What will be the effect of negative camber excessive in the wheel alignment?

A

Outer edge of tyre wearout faster

B

Centreof tyre wearout faster

C

Inner edge of tyre wear out faster

D

Cracks developed in the tyre tread

Question 56 1 Marks

What is the disadvantage of excessive positive camber in the wheel aslignment?

A

Tyre outer edge will wearout fast

B

Tyre centre will wearout

C

Tyre bleeding wire wear out

D

Tyre thread wear out

Question 57 1 Marks

How to rectify the defect of noise in hydraulic steering?

A

Replace the with new fluid

B

Fill fluid to correct level and bleed the system

C

Adjust the torsion bar linkage

D

Replace the flow control valve

Question 58 1 Marks

What is the cause of noise in steering?

A

High fluid level

B

Presence of air in the fluid

C

Defective flow control valve

D

Defective torsion bar

Question 59 1 Marks

Why vibration damper are not used inside the helical spring?

A

Possibility of stuck in one position

B

Not economical

C

Fitting and removing time consuming

D

No effect on load carrying capacity

Question 60 1 Marks

What is the impact of larger scrub radious?

A

Wear on the outer edge of tyre

B

Unequal braking on the front wheel

C

Wear on the centre part of tyre

D

Bending of steering linkage point

Question 61 1 Marks

What will be the effect of negative scrub radious?

A

Wheel is caused to toe - out

B

Wheel is kept in straight position

C

The tyre centre portion wear out

D

Wheel is caused to toe - in

Question 62 1 Marks

What causes abnormal tyre wear, tyre slip and poor steering stability?

A

Incorrect toe - in and toe - out

B

Malfunctioning of torsion bar

C

Presence of air in the break fluid

D

Front axle bend/twist

Question 63 1 Marks

What will be effect of unequal castor in the vehicle?

A

Vehicle pull to one side wheel

B

Vehicle will not move

C

Driver have to use less effort on steering

D

Increase steering stability

Question 64 1 Marks

Why rubber buffer is provided in the main spring of suspension system?

A

Transfer pay load smoothly

B

Protect chassis frame from heavy jerk

C

Transfer the load equaly

D

Provide steering control stability

Question 65 1 Marks

Which facor affecting suspension?

A

Damaged chassis frame

B

Wornout spring

C

More shocks, uncomfortable riding

D

Abnormal tyre wear

Question 66 1 Marks

What is the main cause for wear on one side of tyre?

A

Improper camber

B

Improper caster

C

Over inflation

D

Under inflation

Question 67 1 Marks

What is the reason of faster wear out of tyre edges?

A

Under inflated tyre

B

Over inflated tyre

C

Un equal load distribution

D

Defective suspension system

Question 68 1 Marks

Why the alternate spokes are screwed to slope forward and backward towards the rim in the wire wheel?

A

To take the uneven load

B

To provide cusioning effect

C

To observe braking and driving torque

D

To distribute the load evanly

Question 69 1 Marks

What is the cause of ?Poor self centering? in a vehicle?

A

Filter chocked

B

Improper wheel alignment

C

Loose wheel level

D

Low oil level

Question 70 1 Marks

What will be the result of improper brake adjustment?

A

Hard steering

B

Wheel wobbling

C

Steering wheel play

D

Vehicle pulling to one side

Question 71 1 Marks

What is the reason of steering wheel play excess?

A

Improper pre load defective steering

B

Low oil level

C

Drop in pressure

D

Wornout sealing rings

Question 72 1 Marks

What is the cause of 'Wheel wobbling'?

A

Improper tyre pressure

B

King pin wornout

C

Drop in pressure

D

Wrong hose size

Question 73 1 Marks

Why tyre wear found abnormal in the vehicle?

A

Loose wheel nut

B

Improper linkage adjustment

C

Improper tol-in and tol - out

D

Improper tyre pressure

Question 74 1 Marks

What causes the deffect of ?Hard steering? in the hydraulic power steering system?

A

Improper position of drop arm

B

Tie rod loose fitting

C

Band axle beam

D

Improper size of tyre

Question 75 1 Marks

What causes 'Air suction' in pump of hydraulic power steering system?

A

Noise

B

High fluid level

C

Low pressure

D

Steering wheel play

Question 76 1 Marks

What is the cause of ? low pressure? in the hydraulic power steering system?

A

Low oil level

B

Wrong flow control valve setting

C

Air in the system

D

Wornout sealing ring