Wheels and Tyres

What is the purpose of the tread on a tyre?

• To provide grip and traction
• To keep the wheel balanced
• To reduce air pressure
• To enhance the appearance

Which unit is used to measure tyre pressure?

• Pounds per square inch (PSI)
• Newtons per square meter (N/m^2)
• Kilograms per cubic meter (kg/m^3)

What does the term "wheel offset" refer to?

• The distance from the center of the wheel to the mounting surface
• The width of the wheel
• The diameter of the wheel
• The number of wheel studs

Which type of tyre is designed to provide better traction on snowy and icy roads?

• Summer tyres
• All-season tyres
• Winter tyres
• Performance tyres

What is the purpose of wheel balancing?

• To evenly distribute weight around the wheel and reduce vibrations
• To increase the speed of the vehicle
• To improve fuel efficiency
• To enhance cornering abilities

What does the "R" stand for in tyre size designations such as 205/55R16?

• Reinforced
• Radial
• Round
• Rim

Which part of a wheel and tyre assembly is responsible for sealing the air inside the tyre?

• Rim
• Hubcap
• Valve stem
• Lug nuts

What is the purpose of tyre rotation?

• To change the direction of the grooves on the tread
• To extend the lifespan of the tyres by promoting even wear
• To increase fuel efficiency
• To improve braking performance

Which material is commonly used for manufacturing alloy wheels?

• Steel
• Aluminium
• Titanium
• Carbon fiber

What is the purpose of tyre tread wear indicators?

• To indicate the tyre's speed rating
• To alert the driver when the tyre's tread has worn down to a dangerous level
• To provide decorative elements on the tyre surface