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WorksheetsMS3 -Chassis Tyres
Total questions: 10
Worksheet time: 5mins
What do the numbers 225 mean?
The width of the tyre in MM
The Circumference of the tyre in CM
The width of the tyre in CM
The chemical compound of the tyre
The number 50 relates to....
The maximum speed the tyre can travel
The height of the tyre sidewall in MM
The profile of the tyre expressed as a percentage of the width
The diameter of the wheel
The profile is the height of the tyre From the "Bead" to the "Shoulder" expressed as a percentage of the width, So what is the height of the tyre in the picture if the tyre size is 195/55/R16
100cm
195mm
55mm
107.25mm
What Does R stand for?
Rotational
Radical
Radial
Rain tyre
What does 17 Stand for?
The circumference of the tyre in Inches
The diameter of the tyre in inches
The width of the tyre in inches
The height of the tyre in inches
If a tyre is marked as a ZR rated tyre, What does that mean?
The tyre is rated in excess off 149 mph
The tyre is rated up to 149 mph
The tyre is suitable for heavy vehicles
The tyre can only be used on a race track
What is the legal minimum tread depth for a car tyre in the UK?
3mm
1mm
2mm
1.6mm
You are checking the age of a tyre ready for fitment to a customers car the Numbers are 0309, What should you do.
Fit the tyre, It looks ok.
Dispose of the tyre. It is over 10 years old.
Inform the customer and let them make a decision.
Scrub the numbers of and fit it
Can slick tyres be used on a public road
Yes if the driver is aware of his responsibilities
Yes slick tyre improve grip in good conditions
No! The legal minimum tread depth in the UK is at least 1,6 MM
All tyres must have tread across 100% of the tyre width
Tyres are made up from different compounds of rubber. this affects both wear and durability normally this is understood in the following terms
Soft Compounds give excellent grip but have short tyre life, Hard compounds last longer but do not produce ultimate grip
Soft compounds are only used on race cars
Hard compound have outstanding grip and last longer than soft compound tyres
The compound of the tyre has no effect on the vehicle handling
