Tyres and Wheels

What this quiz asks

• What did the tubeless tyre, which spread on cars in the 1950s, do away with?
• Most modern alloy wheels are made mainly of which metal?
• In 1888 John Boyd Dunlop made a practical air-filled tyre in Belfast. What was it for?
• An air-filled tyre had already been patented decades before Dunlop's 1888 design.
• What does the marking 'M+S' on a tyre's sidewall stand for?
• What is mixed into tyre rubber that turns it black and makes it far more hard-wearing?
• Select ALL of these that are parts of a car tyre.
• A tyre's sidewall shows a snowflake inside a three-peaked mountain. What does it tell you?
• Which company launched the 'X', widely credited as the first radial car tyre, in 1949?
• In a radial tyre, which way do the cords of the body plies run?
• Radial tyres generally have more flexible sidewalls than cross-ply tyres.
• How do most self-supporting run-flat tyres keep a car moving after a puncture?
• A run-flat tyre is typically designed to keep going for how many kilometres at up to 80 km/h after losing all its air?
• Select ALL of these tyre makers that were founded in the United States.
• Bridgestone's name is a loose English translation of what?
• A tyre is marked '225/45 R17 94W'. What does the '94' tell you?
• Order these tyre speed-rating letters from the lowest to the highest maximum speed.
• Did Formula One cars race on grooved tyres rather than slicks from 1998 to 2008?
• Which company became Formula One's sole tyre supplier in 2011?
• Why did only six cars start the 2005 United States Grand Prix at Indianapolis?