Car tyres and technical terms are inseparable,

1. What is 'aquaplaning'?

A: A popular water sport involving skis and a hang glider?

B: What happens when a tyre can't clear road water away quickly enough?

C: A technique used by a deep-sea carpenter?

2. What is 'rolling resistance'?

A: The amount of energy required to overcome the static mass of a tyre?

B: Wartime fighters who adopted job-sharing?

C: The ability of a tyre to stop a car turning over?

3. What does 'M+S' stand for?

A: A well-known department store?

B: 'Match and Slip' as applied to tyre tread's grip?

C: It denotes a 'Mud and Snow' tyre?

4. What is a 'mid range' tyre?

A: A tyre designed to run at a medium pressure?

B: A tyre that is of lower quality than a branded tyre but is cheaper?

C: A tyre that wears out twice as fast as a high range tyre?

5. What is 'Mu'?

A: The coefficient of the average grip of a tyre on a wet surface?

B: A metric unit of tyre pressure?

C: The sound made by a taciturn cow?

6. What is a 'Standing Wave'?

A: The hand signal given by a policeman directing traffic?

B: The sine wave shown on the screen of an electronic tyre-balancing machine?

C: A wave of deformation in front and behind the contact patch of a rolling tyre?

7. What is 'Re-grooving'?

A: Cutting new grooves into the sidewall of a tyre to aid water dispersion?

B: Cutting new grooves into worn tread to extend the life of truck tyres?

C: An older person learning how to break dance?

8. What is 'profile'?

A: The difference between the sizes of front and rear tyres?

B: A person's self-disclosed information on Facebook?

C: The ratio of tyre sidewall height to the width of a car tyre's tread?

9. What does 'SST' stand for?

A: It stands for 'Second Set of Tyres'?

B: It stands for 'Self Supporting Technology'?

C. It stands for 'Slightly Slippy Tyres'?

10. What are 'Harmonics'?

A: Annoying vibrations and noise causing discomfort for a car's occupants?

B: Tyre noise ocurring only on certain road surfaces?

C: A 1960's band that used musical saws?

11. What is 'Hysterisis'?

A: The hardness of the rubber used in a car tyre's carcass?

B: A female relative who tends to panic?

C: The resistance to deformation of the rubber in a tread block?

12. Why do some tyre fitters use nitrogen?

A: As an alternative to air for inflating tyres?

B: As a means of removing an old tyre from a wheel?

C: For a laugh in the tyre bay before a short sleep?

Answers

1B

2A

3C

4B

5A

6C

7B

8C

9B

10A

11C

12A

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