Rita Charitable Trust

Car Driving Test 28

Wheels & Tyres: Wheel types & size, Tyre types & characteristicsRadial Class Test

Welcome to your Wheels & Tyres: Wheel types & size, Tyre types & characteristicsRadial Class Test Hope you understand the class & now it's time to examine yourself through test. Remember you have only 10 minutes to complete the class test after 10 minutes Class test will be automatically submit.आपका व्हील्स और टायर्स में स्वागत है: व्हील के प्रकार और आकार, टायर के प्रकार और विशेषताएँरेडियल क्लास टेस्ट उम्मीद है कि आपको क्लास समझ में आ गई होगी और अब टेस्ट के ज़रिए खुद को परखने का समय आ गया है। याद रखें कि आपके पास क्लास टेस्ट पूरा करने के लिए सिर्फ़ 10 मिनट हैं। 10 मिनट के बाद क्लास टेस्ट अपने आप सबमिट हो जाएगा।

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1.Which of the following is a type of wheel commonly used in automobiles?

Chain wheel

Alloy wheel

Flywheel

Idler wheel

2 / 30

2. What material is commonly used for alloy wheels?

Steel and rubber

Copper and tin

Aluminum and magnesium

Iron and nickel

3 / 30

3. What is the main advantage of alloy wheels over steel wheels?

Heavier weight

Better fuel consumption

Better heat dissipation and aesthetics

Lower grip

4 / 30

4. Which component holds the tyre and connects it to the axle?

Hubcap

Wheel rim

Tyre tread

Valve

5 / 30

5. Which wheel size is most commonly used in standard passenger vehicles?

10–12 inches

13–15 inches

17–20 inches

21–24 inches

6 / 30

6. Which of the following is NOT a function of a wheel?

Support vehicle load

Provide traction

Steer the vehicle

Lubricate engine parts

7 / 30

7. Wheels with larger diameters generally provide:

Less stability

Better handling and aesthetics

Less grip

Lower braking power

8 / 30

8. The term "wheel offset" refers to:

Tyre wear direction

Distance from hub mounting surface to wheel centerline

Tyre diameter

Wheel circumference

9 / 30

9. Steel wheels are generally preferred for:

Sports cars

Luxury vehicles

Heavy-duty and economy vehicles

Electric scooters

10 / 30

10. Which part of the wheel is responsible for holding the air pressure in tubeless tyres?

Valve stem

Hub

Bead seat area of rim

Tyre tread

11 / 30

11. Which of the following is a main category of tyres?

Belted and unbelted

Radial and bias-ply

Smooth and rough

Metal and plastic

12 / 30

12. What is the key difference between radial and bias-ply tyres?

Material used

Tread pattern

Construction of ply cords

Air pressure

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13. Bias-ply tyres have cords arranged at:

90° to the direction of travel

45° to the direction of travel

Parallel to each other

Along the tread grooves

14 / 30

14. Radial tyres have:

Diagonal ply layers

Radially arranged ply cords at 90°

Reinforced sidewalls only

No belt plies

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15. Which type of tyre provides better fuel economy and longer tread life?

Bias-ply

Tubed tyres

Radial

Retreaded tyres

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16. Which tyre type is more suitable for off-road conditions?

Radial

Bias-ply

Racing slicks

Low-profile

17 / 30

17. Which type of tyre is more flexible and better for high-speed performance?

Bias-ply

Retread

Radial

Tube-type

18 / 30

18. Tubeless tyres differ from tubed tyres in that:

They have higher rolling resistance

They require an inner tube

Air is held directly by the tyre and rim

They are heavier

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19. Retread tyres are:

New tyres made from recycled material

Old tyres with new tread applied

Tyres used only in racing

Designed for motorcycles only

20 / 30

20. Run-flat tyres are designed to:

Reduce cost

Continue to run after a puncture

Increase bounce

Avoid rolling resistance

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21. Which of the following is an important characteristic of a tyre?

Color

Tread pattern

Weight of the vehicle

Shape of the rim

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22. The tread pattern of a tyre affects:

Fuel type

Grip and water dispersion

Engine capacity

Radiator cooling

23 / 30

23. Tyre pressure should be checked when tyres are:

Hot

Just inflated

Cold

Removed

24 / 30

24. Which of the following benefits is provided by radial tyres?

Poor heat dissipation

Increased fuel consumption

Longer tread life

Weak handling

25 / 30

25. In radial tyres, the belt plies are generally made of:

Rubber

Steel or synthetic material

Nylon

Wood

26 / 30

26. Radial tyres offer better performance due to:

Less tread depth

Low heat generation and more contact area

Increased tyre weight

Higher sidewall stiffness

27 / 30

27. What is the main disadvantage of radial tyres?

Expensive manufacturing and stiff sidewalls

Poor grip

Not suitable for highways

Only used for bicycles

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28. Which component ensures an air-tight seal in a tubeless radial tyre?

Sidewall

Tread

Bead

Rim lock

29 / 30

29. The radial construction in tyres improves:

Air flow

Acceleration only

Comfort, tread life, and fuel efficiency

Braking fluid pressure

30 / 30

30. Tyre rotation is important to:

Wear out tyres faster

Balance engine performance

Ensure even wear and increase lifespan

Remove air from tyres

Your score is

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