Tyre Construction

What is the main difference in the construction of radial-ply and cross-ply tyres?

• The material used in the tyre carcass

• The angle of the cord plies

• The type of rubber compound used

• The size of the tyre

At what angle are the cord plies set in a radial-ply tyre?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

What is the approximate angle of the cord plies in a cross-ply tyre?

• 20 degrees

• 40 degrees

• 60 degrees

• 80 degrees

Which type of tyre is known for having excellent shock absorption characteristics?

• Radial-ply tyre

• Cross-ply tyre

• Both types

• Neither type

What is often added to radial-ply tyres to provide strength while maintaining flexibility?

• Rubber bands

• Steel or cord belts

• Plastic layers

• Foam padding

Which type of tyre is known for improved ride comfort?

• Radial-ply tyre

• Cross-ply tyre

• Both types

• Neither type

What is one of the advantages of radial-ply tyres over cross-ply tyres?

• Higher rolling resistance

• Superior cornering performance

• Lower wear characteristics

• Increased emissions

What is another name for cross-ply tyres used in most countries?

• Radial tyres

• Bias-ply tyres

• Belted tyres

• Tubeless tyres

Which type of tyre generally offers better fuel economy?

• Radial-ply tyre

• Cross-ply tyre

• Both types

• Neither type

What is the spelling of 'tyre' in American English?

• Tyre

• Tire

• Tyer

• Tair