Tires Basics

What is the primary role of a tire?

ما هو الدور الاساسي للإطار؟

• Provide grip

  توفير تماسك مع الارض

• Sustain Load

  حمل الاوزان

• Engine cooling

  تبريد المحرك

• Sound insulation

  عزل ضوضاء الطريق

• Absorb shocks

  إمتصاص الصدمات

What are the two main materials used in tire construction?

ما هي المادتين الاكثر المتواجدتين في الإطارات؟

• Steel

  الصلب

• Carbon

  الكربون

• Rubber and Fabric

  المطاط و الالياف

• Aluminum

  الألمونيوم

What does 'psi' stand for in tire pressure measurements?

• Power per square inch
• Points per square inch
• Pressure per square meter
• Pressure per Squeeze inch
• Pounds per square inch

What type of tire construction is characterized by diagonal plies?

• Radial
• Bias
• Tubeless
• Tubed

What is the main advantage of tubeless tires over tubed tires?

• Lighter weight
• Slower air loss
• More grip
• Higher speed
• Less Accident rate

Aspect ratio is

• Weight / Height
• Width / diameter
• Width / Height
• Diameter / Width
• Height / Width

Driving is

• Manageable Wear Factor

• Non-Manageable Wear Factors

• Is Not a Wear Factor

What does the 'R' in a tire size, like 195/65R15, stand for?

• Rim

• Radial

• Rotation
• Resistance

What should be checked during tire inspection?

• Color
• Tread depth
• Pressure

• Price

What is the recommended minimum tread depth for passenger car tires?

• 3.0 mm

• 2.8 mm

• 2.4 mm

• 1.6 mm

• 0.8 mm