Wheels and Tyres

How long can unused tyres last before they need to be replaced?

• If the tyres were kept properly, 5-6years

• Tyres kept in storage for more than 3 years should be disposed of

• 1 year max

• 2 years max

What number refers to the tyre width? 225/45R17 94W

• 45

• 17

• 91

• 225

What number refers to the wheel rim? 225/45R17 94W

• 225

• 17

• 45

• 94

What material is used in order to strengthen a run flat tyre sidewall?

• Carbon fibre

• Kevlar

• Titanium

• Graphene

Which part of the tyre can be repaired with a plug or patch?

• Sidewall

• Bead

• Casing

• Tread

Where can you find the proper tyre pressure?

(CHOOSE THREE)

• B post

• User manual

• Fuel filler flap

• technical data

Most modern spare tyres are designed for t________y use only.

How often should tyre pressures be checked?

• Once a day

• Once a month

• Weekly

• Twice a week

• Before any long journey

If you get a flat tyre on the motorway, should you change it on the hard shoulder?

• FALSE

• TRUE

What do the following numbers mean on a tyre 4 examples below..

(3419) (4821) (1018) (2520)

• where they where made

  (country & location)

• materials used

  (content & amount)

• production date

  (week & year)