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Vehicle Weights and Dimensions Flashcards

6 cards from real PCV practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Vehicle Weights and Dimensions flashcards as text

  1. What is the maximum gross vehicle weight for a three-axle double-decker bus in the UK?

    Answer: 26,000 kg

    The maximum gross vehicle weight for a three-axle double-decker bus is 26,000 kg (26 tonnes). This is higher than the two-axle limit of 18,000 kg because the extra axle distributes weight more effectively.

  2. When crossing a weak bridge with a weight restriction, how should you calculate whether your PCV can cross safely?

    Answer: Use the current gross weight including passengers and luggage

    You should use the current actual gross weight of the vehicle, including passengers, luggage, and fuel, when determining if you can safely cross a weight-restricted bridge. This is the real load the bridge will bear.

  3. What is the minimum ground clearance requirement that PCV drivers should be aware of when driving a fully laden vehicle?

    Answer: The vehicle must not ground on any road feature

    While there is no single minimum ground clearance figure for PCVs, a fully laden vehicle must be able to negotiate normal road features like speed bumps, kerbs, and road camber without the underside touching the ground.

  4. What does the term 'design weight' mean in relation to a PCV?

    Answer: The maximum weight at which the vehicle was designed to operate safely

    Design weight is the maximum weight at which the manufacturer designed the vehicle to operate safely. It covers all aspects including braking, steering, suspension, and structural integrity.

  5. How does vehicle height affect a PCV when driving in strong crosswinds?

    Answer: The greater the height, the more vulnerable the vehicle is to being blown off course

    Taller vehicles present a larger surface area to the wind, making them more susceptible to being blown off course. Double-decker buses and high-sided coaches are particularly vulnerable to strong crosswinds.

  6. What is the maximum rear overhang permitted for a rigid PCV in the UK?

    Answer: 60% of the wheelbase

    The maximum rear overhang for a rigid PCV is 60% of the wheelbase. Excessive rear overhang affects manoeuvrability as the rear swings out widely during turns.