Examkin

Question

Difficulty: MediumTyre Safety and Requirements

Vehicle manufacturers recommend increasing tyre pressures above standard operating levels when carrying a heavy load of passengers and luggage.

Answer: Answer

Answer

True, because vehicle manufacturers specify higher tyre pressures for heavy loads to support the extra weight, prevent overheating, and maintain vehicle control.
Increasing tyre pressures to the vehicle manufacturer's recommended laden setting ensures the tyre carcass can support the extra mass, preventing excessive sidewall flexing, overheating, and loss of directional stability.

Step-by-Step Solution

1
Analyze the mechanical effect of carrying a full load on tyre structure
Excess weight compresses the tyres and increases sidewall deflection during rotation, generating dangerous internal friction and heat if standard pressures are kept.
Understanding tyre thermodynamics under increased payload is essential for assessing vehicle safety requirements.
2
Evaluate manufacturer specifications and DVSA maintenance guidelines
Vehicle handbooks explicitly provide higher recommended PSI/bar settings for laden conditions to maintain the correct tyre contact patch.
Adjusting pressures according to load specifications ensures road grip, optimal braking distances, and tyre integrity.

Key Concept

Tyre pressure adjustments for heavy vehicle loading
Estimated Time:45s
Rate this question

Topics

Tyre Safety and Requirements

More questions from this topic